Company History

CiDRA is a leader in industry innovation, effectively combining the use of VC capital to spur innovation and generate IP, with directed funding from our customers to develop application-specific uses of new sensor technologies in critical industrial processes. CiDRA is known for strong IP creation, with over 700 U.S. and International patent and patent applications.

CiDRA has also created five companies in CT, sustaining jobs and growth as well as a US-based manufacturing facility. Three of those five companies were sold to multi-national, industry-leading companies – Weatherford, Illumina and Expro.

Press Releases

CiDRA Minerals Processing Inc. Announces Value Enhancements for their Breakthrough Technology Enabling Automated Grind Optimization

CiDRA Minerals Processing Inc. has a long history of applying a proven technology and science in a unique, robust architecture to enhance production efficiency and enhanced recovery in the mining sector. Customer challenges and unserved needs have fueled CiDRA’s mission and passion for ingenuity and innovation to develop industry specific product optimization solutions to mines throughout the world.

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CiDRA Holdings Announces the Spin-out of Its Concrete Quality Systems Business into a Standalone Company

CiDRA Holdings has a twenty-year history of conceiving, developing and building leading edge companies and then spinning them out as standalone businesses. CiDRA Concrete Systems, Inc. (“CiDRA Concrete”) is the latest example of this proven business model in action. CiDRA Concrete, headquartered in Eden Prairie, Minnesota, is an IoT based business that provides real time data that continuously measures the concrete quality from the batch plant to the job site via concrete Ready-Mix trucks.

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Management Team

Kevin Didden

CEO and Founder CiDRA Minerals Processing, Inc.

Kevin Didden founded the company in 1996. Since that time, CiDRA has excelled at delivering innovative technology solutions to its customers as well as become a trusted process optimization company to many of the largest companies in the world. Kevin currently serves on the board of Directors for CiDRA and is the former Chairman of the CyVek Corporation. He spent a total of 9 years at United Technologies in the field of Technology Management. Kevin received a B.S. degree in Business Administration from the University of CT and an MBA from Rennsaeler Polytechnic Institute.

Paul Rothman

Paul Rothman

President, CiDRA Minerals Processing, Inc.

Paul Rothman serves as President of CiDRA’s Minerals Processing Business Unit. Paul has 40 years of product and business development experience in the mining and aerospace industries. Prior to joining CiDRA Paul spent 16 years with United Technologies developing flight critical control systems. Paul holds a Bachelors Degree in Mechanical Engineering from the University of Notre Dame.

Mark Holdsworth

Mark Holdsworth

Vice President of Application Development

Mark Holdsworth is responsible for developing customer partnerships, managing applications, and the delivery of P29 technology to the mining industry. Working to develop the fundamentals, metallurgical performance, commercial design, construction, and operability of P29. With 24 years in mining, and 4 years in oil & gas, managing and leading surface operations in various global locations. Mark has a PhD in Chemical Engineering from University of Birmingham UK, aBEng(Hons) in Minerals Engineering from Camborne School of Mines UK.

gary-houkenson

Gary Hokunson

Vice President,
Chief Financial Officer

Gary Hokunson over 25 years of experience working with emerging growth companies with a heavy focus on operating and financial processes, mergers and acquisitions, business integrations and capital structure. Gary started his career in public accounting, including several years with Price Waterhouse. After leaving Price Waterhouse, he worked for a number of private equity backed companies in the healthcare, manufacturing, and services industries. He received his B.S. degree in accounting from Quinnipiac University.

Michael Grillo

Executive Vice President, Corporate Development and General Counsel

Mike Grillo is an attorney with venture capital, corporate finance and transactional experience. Prior to joining CiDRA, Mike focused on Intellectual Property protection, technology management and licensing with a private law firm and with a fortune 100 company. He received a Bachelors Degree in Electrical Engineering from the University of Delaware and a JD from the University of Connecticut School of Law.

Paul Dolan

Paul Dolan

Vice President,
of Project Engineering

Paul has 38 years of Project Engineering, Program Management, and Operations experience in Aerospace, Pulp and Paper, and Mining. His technology experience include controls, hydromechanical and electro-mechanical systems. 13 years at United Technologies Hamilton Standard Division focusing on Aerospace and 23 years at CiDRA focusing on industrial markets. At CiDRA Paul has been involved with product and technology development as well manufacturing and operations. Paul holds a BS in Electrical Engineering from the University of Connecticut.

Bob Maron

Bob Maron

Chief Commercial Officer

Bob Maron CiDRA’s Chief Commercial Officer
. Bob pioneered the SONARtrac and CYCLONEtrac PST market in Latin America, being a part of the installation of the first SONARtrac meter in Chile. His areas of expertise and academic interest are: instrumentation systems for harsh environments; such as oil well drilling, mineral processing, and aerospace. As well as the designs of sensors and actuators. He is a Registered Professional Engineer who graduated from the University of Hartford. He also has an MS in Mechanical Engineering from Rensselaer Polytechnic Institute.

Wendy Erickson

Wendy Erickson

Vice President, Global Business Operations

Wendy Erickson is the Vice President, Global Business Operations. She manages the inside sales and customer support department. Wendy joined CiDRA in 1998 and has held various positions within the company. Prior to joining CiDRA, Wendy worked in finance at the state’s largest health insurer. Wendy holds an AS Degree from Quinnipiac University and has completed additional quality-related coursework at Rensselaer Polytechnic Institute.

Susan McCullough

Susan McCullough

Vice President, Business Operations, South America

Susan McCullough is the Vice President, Business Operations, South America. Susan has a background in global sales, marketing, business development, personnel recruitment, and a specialization in Chilean markets. She has a Bachelor’s degree in International Relations with Honors from Michigan State University; a Master’s degree in Organizational Leadership, Project Management Emphasis with Distinction from Northern Arizona University

Michael Ryan

Michael Ryan

Director, Chemical Engineering

Michael Ryan 30 years of chemical product development. Focused on the development of P29 consumables chemistry, including the engineered polymeric media and the mineral release system. Having a diverse background in chemical products: including polymers in solid, liquid, emulsion, and microemulsion forms in the mining, paper, printing, and water-treatment sectors. Michael received a M.S. in PolymerChemistry from NYU; B.S. in Chemistry from the University of Connecticut.

Board Members

Kevin Didden
CEO & Founder, CiDRA Minerals Processing, Inc.

David Huber
Chairman of the Board CiDRA Minerals
Founder and Chairman, Corvis Corporation

Svein Eggen
Chairman of the Board of Remedial Cyprus, Pcl

Daniel E. Levy
Managing Partner, Prince Capital Partners, LLC

Volker Mansfeld
Head of Corporate Development ALTANA AG

David Vogel
Managing Director, Velocity Equity Partners

Jaime E. Sepúlveda
Serves as Technical Consultant to Board
Founder & Executive Director, J-Consultants Ltd.

 

 

Patents

Below is a list of issued US Patents owned by or licensed to CiDRA. Many other patents are pending. CiDRA products and/or services may be covered by one or more of the below-listed US patents or foreign counterparts thereto. Please return to this site often to obtain the latest list of issued CiDRA US patents. You may obtain a copy of these patents from USPTO.gov.

 

US Patent Issue Date Patent Title
5,767,411 06/16/98 Apparatus for Enhancing Strain in Intrinsic Fiber Optic Sensors and Packaging Same for Harsh Environments
5,844,667 12/01/98 Fiber Optic Pressure Sensor with Passive Temperature Compensation
5,877,426 03/02/99 Bourdon Tube Pressure Gauge with Integral Optical Strain Sensors for Measuring Tension or Compressive Strain
5,892,860 04/06/99 Multi-Parameter Fiber Optic Sensor for use in Harsh Environments
5,925,879 07/20/99 Oil and Gas Well Packer having Fiber Optic Bragg Grating Sensors for Downhole Insitu Inflation Monitoring
5,945,665 08/31/99 Bolt, Stud or Fastener having an embedded Fiber Optic Bragg Grating Sensor for Sensing Tensioning Strain
5,973,317 10/26/99 Washer having Fiber Optic Bragg Grating Sensors for Sensing a Shoulder Load between Components in a Drill String
5,986,749 11/16/99 Fiber Optic Sensing System
5,987,197 11/16/99 Array Topologies for Implementing Serial Fiber Bragg Grating Interferometer Arrays
6,009,216 12/28/99 Coiled Tubing Sensor System for Delivery of Distributed Mulitplexed Sensors
6,016,702 01/25/00 High Sensitivity Fiber Optic Pressure Sensor for use in Harsh Environments
6,072,567 06/06/00 Vertical Seismic Profiling System having Vertical Seismic Profiling Optical Signal Processing Equipment and Fiber Bragg Grafting Optical Sensors
6,118,914 09/12/00 Method and Device for Providing Stable and Precise Optical Reference Signals
6,137,621 10/24/00 Acoustic Logging System using Fiber Optics
6,175,108 01/16/01 Accelerometer Featuring Fiber Optic Bragg Grating Sensor for Providing Multiplexed Mulit-Axis Acceleration Sensing
6,191,414 02/20/01 Composite form as a component for a Pressure Transducer
6,227,114 05/08/01 Select Trigger and Detonation System using an Optical Fiber
6,229,827 05/08/01 Compression-Tuned Bragg Grating and Laser
6,233,374 05/15/01 Mandrel-Wound Fiber Optic Pressure Sensor
6,249,624 06/19/01 Method and Apparatus for Forming a Bragg Grating with High Intensity Light
6,252,656 06/26/01 Apparatus and Method of Siesmic Sensing Systems using Fiber Optics
6,271,766 08/07/01 Distributed Selectable Latent Fiber Optic Sensors
6,274,863 08/14/01 Selective Aperture Arrays for Seismic Monitoring
6,278,811 08/21/01 Fiber Optic Bragg Grating Pressure Sensor
6,279,660 08/28/01 Apparatus for Optimizing Production of Mulit-Phase Fluid
6,298,184 10/02/01 Method and Apparatus for Forming a Tube-Encased Bragg Grating
6,305,227 10/23/01 Sensing Systems Using Quartz Sensors and Fiber Optics
6,310,990 10/30/01 Tunable Optical Structure Featuring Feedback Control
6,317,555 11/13/01 Creep-Resistant Optical Fiber Attachment
6,321,007 11/20/01 Optical Fiber Having a Bragg Grating Formed in Its Cladding
6,338,579 01/15/02 Fiber Optic Sleeve Assembly for use at a Splice Junction of a Fiber Optic Cable
6,346,702 02/12/02 Fiber Bragg Grating Peak Detection System and Method for Doing the Same.
6,351,987 03/05/02 Fiber Optic Pressure Sensor for DC Pressure and Temperature
6,354,147 03/12/02 Fluid Parameter Measurement in Pipes using Acoustic Pressures
6,363,089 03/26/02 Compression-Tuned Bragg Grating and Laser.
6,403,949 06/11/02 Method and Apparatus for Correcting Systematic Error in a Wavelength Measuring Device.
6,404,961 06/11/02 Optical Fiber Cable having Fiber in Metal Tube Core with Outer Protective Layer
6,414,303 07/02/02 High Accuracy Bragg Grating Based Pressure Sensor with Dual Resolution Mode
6,422,084 07/23/02 Bragg Grating Pressure Sensor
6,435,030 08/20/02 Measurement of Propagating Acoustic Waves in Compliant Pipes
6,439,055 08/27/02 Pressure Sensor Assembly Structure to Insulate a Pressure Sensing Device from Harsh Environments
6,443,226 09/03/02 Apparatus for Protecting Sensors within a Well Environment.
6,445,868 09/03/02 Optical Fiber Feedthrough Assembly and Method of Making Same
6,448,551 09/10/02 Fiber Bragg Grating Sensor System having Enhanced Strain-to-Wavelength Responsivity by using a Spectral Beating Based Vernier Effect
6,450,037 09/17/02 Non-Instrusive Fiber Optic Pressure Sensor for Measuring Unsteady Pressures within a Pipe.
6,452,667 09/17/02 Pressure-Isolated Bragg Grating Temperature Sensor
6,453,108 09/17/02 Athermal Bragg Grating Package with Coarse and Fine Mechanical Tuning.
6,456,771 09/24/02 Optical Fiber with a Pure Silica Core Having a Bragg Grating Formed in its Core and a Process for Providing Same.
6,462,329 10/08/02 Fiber Bragg Grating Reference Sensor for Precise Reference Temperature Measurement.
6,463,813 10/15/02 Displacement Based Pressure Sensor Measuring Unsteady Pressure in a Pipe
6,466,716 10/15/02 Optical Fiber Having a Bragg Grating in a Wrap that Resists Temperature induced changes in Length.
6,470,036 10/22/02 Tunable External Cavity Semiconductor Laser Incorporating Tunable Bragg Grating.
6,490,931 12/10/02 Fused Tension-Based Fiber Grating Pressure Sensor
6,496,625 12/17/02 Transmission Cable Optical Fiber Protector and Method
6,501,067 12/31/02 Apparatus for Protecting Sensing Devices
6,507,693 01/14/03 Creep-Resistant Optical Fiber Attachment.
6,519,388 02/11/03 Tube-Encased Fiber Grating
6,526,212 02/25/03 Optical Fiber Bulkhead Feedthrough Assembly and Method of Making Same.
6,529,923 03/04/03 Method for Improving the Accuracy in the Determination of a Waveform Center
6,536,291 03/25/03 Optical Flow Rate Measurement Using Unsteady Pressures
6,550,342 04/22/03 Circumferential Strain Attenuator
6,558,036 05/06/03 Non-Contact Temperature Sensor For Measuring Internal Temperature of Fluids Within Pipes
6,563,968 05/13/03 Tunable Optical Structure Featuring Feedback Control
6,575,033 06/10/03 Highly Sensitive Accelerometer
6,587,798 07/01/03 Method and System for Determining the Speed of Sound in a Fluid within a Conduit
6,594,081 07/15/03 Actuator Mechanism for Tuning an Optice Device
6,594,288 07/15/03 Tunable Raman Laser and Amplifier
6,594,410 07/15/03 Wide Range Tunable Optical Filter
6,597,711 07/22/03 Bragg Grating based laser
6,601,411 08/05/03 Method for Annealing an Optical Waveguide Having a Bragg Grating
6,601,458 08/05/03 Distributed Sound Speed Measurements for Multiphase Flow Measurement
6,601,671 08/05/03 Method and Apparatus for Seismically Surveying an Earth Formation in Relation to a Borehold
6,609,069 08/19/03 Method and Apparatus for Determining the Flow Velocity of a Fluid within a Pipe
6,621,957 09/16/03 Temperature Compensated Optical Device
6,626,043 09/30/03 Fluid Diffusion Resistent Glass-Encased Fiber Optic Sensor
6,633,695 10/14/03 Compression-Tuned Grating Based Optical Add/Drop Multiplexer
6,668,656 12/30/03 Optical Sensor having Differing Diameters
6,685,361 02/03/04 Fiber Optic Cable Connections for Downhole Applications
6,690,866 02/10/04 Optical Fiber Cable for use in Harsh Environments
6,691,584 02/17/04 Flow Rate Measurement Using Unsteady Pressures
6,698,297 03/02/04 Venturi Augmented Flow Meter
6,732,575 05/11/04 Fluid Parameter Measurement in Pipes Using Acoustic Pressures
6,753,034 06/22/04 Method of Metallization of an Optical Waveguide
6,763,043 07/13/04 Tunable Grating Based Dispersion Compensator
6,768,825 07/27/04 Optical Sensor Device Having Creep-Resistant Optical Fiber Attachments.
6,776,045 08/17/04 Bragg Grating Pressure Sensor for Industrial Sensing Applications.
6,782,150 08/24/04 Apparatus for Sensing Fluid In a Pipe
6,785,004 08/31/04 Method and apparatus for interrograting fiber optic sensors
6,789,424 09/14/04 Highly sensitive accelerometer
6,792,009 09/14/04 Tunable Grating-Based Channel Filter Parking Device.
6,804,693 10/12/04 Method for Reducing Skew in a Real-time Centroid Calculation.
6,810,178 10/26/04 Large diameter optical waveguide having blazed grating therin
6,813,013 11/02/04 Pressure isolated bragg grating temperature sensor
6,813,962 11/09/04 Distributed sound speed measurements for multiphase flow measurement
6,820,489 11/23/04 Optical differential pressure sensor
6,826,343 11/30/04 Large diameter multi core waveguide
6,834,142 12/21/04 Optical grating based filter
6,837,098 01/04/05 Sand monitoring within wells using acoustic arrays
6,840,114 01/11/05 Housing on the exterior of a well casing for fiber sensors
6,856,729 02/15/05 Wavelength monitor utilizing a tunable bragg grating and blazed grating
6,862,920 03/08/05 Fluid Parameter Measurement in Pipes using acoustic pressures
6,865,194 03/08/05 Strain Isolated Bragg Grating Temperature Sensor
6,868,737 03/22/05 Circumferential strain attenuator
6,877,378 04/12/05 Fluid Diffusion resistant glass-encased fiber optic sensor
6,888,972 05/03/05 Multiple component sensor mechanism
6,889,562 05/10/05 Flow Rate Measurement for industrial sensing applications using unsteady pressures
6,891,621 05/10/05 Highly sensitive cross axis accelerometer
6,898,338 05/24/05 A Fabry-Perot element based on a large-diameter optical waveguide
6,898,541 05/24/05 Method and apparatus for determining component flow rates for a multi-phase flow
6,915,048 07/05/05 Fabry-perot filter/resonator
6,922,277 07/26/05 Optical interleaver/deinterleaver device having an array of mirco-mirrors
6,934,069 08/23/05 Chromatic dispersion compensation device having an array of micromirrors
6,947,640 09/20/05 Alignment and imaging system for writing bragg gratings
6,955,085 10/18/05 Optical Accelerometer or displacement device using a flexure system
6,956,687 10/18/05 Optical blocking filter having an array of micromirrors
6,957,574 10/25/05 Well integrity monitoring system
6,959,604 11/01/05 Non-Contact fiber optic pressure sensor for measuring unsteady pressures in a pipe
6,971,259 12/06/05 Fluid density measurement in pipes using acoustic pressures
6,982,996 01/03/06 Large diameter optical wave guide, grate and laser
6,986,276 01/17/06 Deployable mandrel for downhole measurements
6,988,411 01/24/06 Fluid parameter measurement in pipes using acoustic pressures
6,995,352 02/07/06 Fiber optic based method and system for determining and controlling position of a sliding sleeve valve
6,996,316 02/07/06 Large diameter D-shaped waveguide and optical coupler
7,006,206 02/28/06 Method and apparatus for detecting peaks in an optical signal using a cross-correlation filter
7,013,729 03/21/06 Highly sensitive accelerometer
7,019,883 03/28/06 Dynamic optical filter having a spatial light modulator
7,028,538 04/18/06 Sand monitoring within wells using acoustic arrays
7,028,543 04/18/06 System and method for monitoring performance of downhole equipment using fiber optic based sensors
7,032,432 04/25/06 Apparatus and method for measuring parameters of a mixture having liquid droplets suspended in a vapor flowing in a pipe
7,052,185 05/30/06 Fiber optic cable connectors for downhole applications
7,058,549 06/06/06 Apparatus and method for measuring unsteady pressures within a large diameter pipe
7,059,171 06/19/06 Fluid density measurement in pipes using accoustic pressures
7,059,172 06/13/06 Fluid density measurement in pipes using accoustic pressures
7,062,126 06/13/06 Large diameter optical waveguide having bragg grating and being configured for reducing the bulk modulus of compressibility
7,062,976 06/20/06 An apparatus and method for measuring gas volume fraction of a fluid flowing within a pipe
7,068,897 06/27/06 Method for restoring or increasing photosensitivity in hydrogen or deuterium loaded large diameter optical waveguide
7,080,529 07/25/06 A method for making large diameter optical waveguide having bragg grating and being configured for reducing the bulk modulus of compressibility
7,086,278 08/08/06 Measurement of entrained and dissolved gasesin process flow lines
7,096,719 08/29/06 Apparatus for measuring parameters of a flowing multiphase mixture
7,110,893 09/19/06 Method and apparatus for measuring a parameter of a fluid flowing within a pipe using an array of sensors
7,121,152 10/17/06 A portable flow measurement apparatus having an array of sensors
7,123,833 10/17/06 Dynamically reconfigurable optical smart node
7,124,818 10/24/06 Multiple Component Sensor Mechanism
7,126,740 10/24/06 Multifunctional optical device having a spatial light modulator with an array of micromirrors.
7,127,360 10/24/06 Dual function flow measurement apparatus having an array of sensors
7,134,320 11/14/06 Apparatus and method for providnig a density measurement augmented for entrained gas
7,139,667 11/21/06 Method for calibrating a volumetric flow meter having an array of sensors
7,146,864 12/12/06 An apparatus having a multiband sensor assembly for measuring a paramenter of a fluid flow flowing within a pipe
7,150,202 12/19/06 Method and apparatus for measuring characteristics of core-annular flow
7,152,003 12/19/06 Method and apparatus for determining a quality metric of a measurement of a fluid parameter
7,152,460 12/26/06 An apparatus and method for compensating a coriolis meter
7,155,074 12/26/04 A pressure transducer featuring large diameter configured for reducing the bulk modulus of compressibility thereof
7,165,464 01/23/07 An apparatus and method for providing a flow measurement compensated for entrained gas
7,171,315 01/30/07 Method and apparatus for measuring a parameter of a fluid flowing within a using sub-array processing
7,180,601 02/20/07 Optical system featuring chirped Bragg Grating Etalon for providing precise reference wavelengths
7,181,955 02/27/07 Apparatus and method for measuring multi-phase flows in pulp and paper industry applications
7,197,938 04/03/07 Contact-based transducers for charactarizing unsteady pressures in pipes
7,197,942 04/03/07 Apparatus for measuring velocity and flow rate of a fluid having a non-negligible axial mach number using an array of sensors
7,209,606 04/24/07 A Fabry-Perot Element Based on a Large-Diameter Optical Waveguide
7,237,440 07/03/07 A flow measurement apparatus having strain-based sensors and ultrasonic sensors
7,245,385 07/17/07 Characterizing unsteady pressures in pipes using optical measurement devices
7,253,742 08/07/07 Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors
7,253,897 08/07/07 Optical spectrum analyzer
7,261,002 08/28/07 Flow rate measurement using unsteady pressures
7,269,316 09/11/07 Method for restoring or increasing photosensitivity in hydrogen or deuterium loaded large diameter optical waveguide
7,275,421 10/02/07 Apparatus and method for measuring parameters of a mixture having solid particules suspended in a fluid flowing in a pipe
7,295,933 11/13/07 Configurable multi-function flow measurement apparatus having an array of sensors
7,299,705 11/27/07 An apparatus and method for augmenting a coriolis meter
7,302,861 12/04/07 A portable flow measurement apparatus having an array of sensors
7,308,820 12/18/07 Piezocable based sensor for measuring unsteady pressures inside a pipe
7,322,245 01/29/08 Apparatus and method for measuring a fluid flowing in a pipe using acoustic pressures
7,322,251 01/29/08 Method and apparatus for measuring a parameter of a high temperature fluid within a pipe using an array of piezoelectric based flow sensors
7,328,113 02/05/08 Method for calibrating a volumetric flow meter having an array of sensors
7,328,624 02/12/08 Probe for Measuring Parameters of a Flowing Fluid and/or Multiphase Mixture
7,330,797 02/12/08 An Apparatus and Method for Measuring Settlement of Solids in a Multiphase Flow
7,337,075 02/26/08 Apparatus and Method for Measuring Parameters Of A Mixture Having Liquid Droplets Suspended in A Vapor Flowing In A Pipe
7,340,353 03/04/08 A dual function flow measurement apparatus having an array of sensors
7,343,818 03/18/08 A clamp on apparatus and method for measuring gas volume fraction of a gluid flowing within a pipe
7,343,820 03/15/08 An apparatus and method for fiscal measuring of an aerated fluid
7,359,803 04/15/08 Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe
7,363,800 04/29/08 Apparatus and method for measuring compositional parameters of a mixture
7,367,239 05/06/08 Piezocable based sensor for measuring unsteady pressures inside a pipe
7,367,240 05/06/08 An apparatus and method for providing a flow measurement compensated for entrained gas
7,369,716 05/06/08 High pressure and high temperature acoustic sensor
7,379,828 05/27/08 Method for determining a speed of sound quality metric for a flow meter having an array of sensors
7,380,438 06/03/08 Apparatus and method for providing a fluid cut measurement of a multi-liquid mixture compensated for entrained gas
7,380,439 06/03/08 An apparatus and method for compensating a coriolis meter
7,386,204 06/10/08 Optical filter having a shaped filter function
7,389,187 06/17/08 Apparatus and method using an array of ultrasonic sensors for determining the velocity of a fluid within a pipe
7,389,687 06/24/08 System for measuring a parameter of an aerated multi-phase mixture flowing in a pipe
7,400,985 07/15/08 An apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe
7,418,877 09/02/08 Wet gas metering using a differential pressure based flow meter with a sonar based flow meter
7,426,852 09/23/08 Submersible meter for measuring a parameter of gas hold-up of a fluid
7,430,881 10/07/08 Method of making an optical fiber attachment device
7,430,924 10/07/08 Flow measurement apparatus having strain-based sensors and ultrasonic sensors
7,437,043 10/14/08 Large diameter optical waveguide, grate and laser
7,437,946 10/21/08 An apparatus and method for measuring a parameter of a multiphase flow
7,440,873 10/21/08 An apparatus and method of processing data to improve the performance of a flow monitoring system
7,454,981 11/25/08 Apparatus and method for determining a parameter in a wet gas flow
7,463,828 12/09/08 Optical channel monitor
7,474,966 01/06/09 An apparatus having an array of piezoelectric film sensors for measuring parameters of a process flow within a pipe
7,503,227 03/17/09 Method and apparatus for measuring parameters of a fluid flow using an array of sensors
7,516,024 04/07/09 Method and apparatus for measuring parameters of a stratified flow
7,526,966 05/05/09 An apparatus and method for measuring a parameter of a multiphase flow
7,571,633 08/11/09 Measurement of entrained and dissolved gases in process flow lines
7,587,948 09/15/09 Flow Rate Measurement for industrial sensing applications using unsteady pressures
7,596,987 10/06/09 Apparatus and Method for Providing a Density Measurement Augmented for Entrained Gas
7,603,916 10/20/09 Wet Gas Metering using a Differential Pressure and a Sonar Based Flow Meter
7,617,716 11/17/09 Total Gas Meter Using Speed of Sound and Velocity Measurements
7,623,976 11/24/09 System of Distributed Configurable Flowmeters
7,624,650 12/01/09 Apparatus and Method for Attenuating Acoustic Waves Propagating within a Pipe Wall
7,624,651 12/01/09 Apparatus and Method for Attentuating Acoustic Waves in Pipe Walls for Clamp-On Ultrasonic Flow Meter
7,657,392 02/02/10 Method and Apparatus for Detecting and Characterizing Particles in a Multiphase Fluid
7,661,302 02/16/10 Multi-Phase Flow Measurement Ssytem having a Fluid Separator
7,672,794 03/02/10 System and Method for Operating a Flow Process
7,673,526 03/09/10 Method and Apparatus for Measuring a Paramter of a Fluid Flowing Within a Pipe Having a Sensing Device with Multiple Sensor Segments
7,690,266 04/06/10 Process Fluid Sound Speed Determined by Characterization of Acoustic Cross Modes
7,725,270 05/25/10 Industrial Flow Meter Having an Accessible Digital Interface
7,752,918 07/13/10 Apparatus and Method for Measuring a Fluid Flow Parameter within an Internal Passage of an Elongated Body
7,793,555 09/14/10 Apparatus and Method for Augmenting a Coriolis Meter
7,810,400 10/12/10 Velocity Based Method for Determining Air-fuel Ratio of a Fluid Flow
7,831,398 11/09/10 Method for Quantifying Varying Propagation Characteristics of Normal Incident Ultrasonic Signals as used in Correlation Based Flow Measurement
7,882,750 02/08/11 Method and Apparatus for Measuring Parameters of a Fluid Flowing within a Pipe Using a Configurable Array of Sensors
7,962,293 06/14/11 Apparatus and Method for Providing a Stratification Metric of a Multiphase Fluid Flowing within a Pipe
7,963,175 06/21/11 Clamp-On Apparatus for Measuring a Fluid Flow That Includes a Protective Sensor Housing
7,963,177 06/21/11 Apparatus for Attenuating Ultrasonic Waves Propagating Within a Pipe Wall
7,795,559 07/14/11 Apparatus for Attenuating Ultrasonic Waves Propagating within a Pipe Wall
8,061,186 11/22/11 System and Method for Providing a Compositional Measurement of a Mixture Having Entrained Gas
8,109,127 02/07/12 Measurement of Entrained and Dissolved Gases in Process Flow Lines
8,117,918 02/21/12 Method and Apparatus for Determining Pipewall Thickness Using One or More Ultrasonic Sensors
8,228,686 07/24/12 Apparatus and Method for Measuring Liquid and Gas Flow Rates in a Stratified Multi-Phase Flow
8,286,466 10/16/12 Method and Apparatus for Making a Water Cut Determination Using a Sequestered Liquid-Continuous Stream
8,336,393 12/25/12 Method and Apparatus for Measuring Parameters of a Fluid Flowing within a Pipe Using a Configurable Array of Sensors
8,346,491 01/01/13 Sonar-Based Flow Meter Operable to Provide Product Identification
8,402,840 03/26/13 Ultrasonic Fluid Flow Meter Housing with Acoustically Matched Base
8,402,841 03/26/13 Apparatus and Method for Sensing Fluid Flow in a Pipe with Variable Wall Thickness
8,428,892 04/23/13 Viscous Fluid Flow Measurement Using a Differential Pressure Measurement and a Sonar Measured Velocity
8,452,551 05/28/13 Method and Apparatus for Monitoring Multiphase Fluid Flow
8,641,813 02/04/14 System and Method for Optimizing a Gas/Liquid Separation Process
8,713,988 05/06/14 Use of Gas Void Fraction Measurement is the Closed Loop Control of a Fermentation Process
8,739,637 06/03/14 Applications for Real-Time Mass Ratio, Mass Flow and Particle Size Measurement of Particle Laden Flows
8,862,411 10/14/14 Velocity and Impingement Method for Determining Parameters of a Particle/Fluid Flow
8,893,558 11/25/14 Method and Apparatus for Measuring Parameters of a Fluid Flowing Within a Pipe Using a Configurable Array of Sensors
8,931,520 01/13/15 Pipe with Integrated Process Monitoring
9,046,399 06/02/15 Minimally Intrusive Monitoring of a Multiphase Process Flow Using a Tracer and a Spatially Arranged Array of at Least Two Sensors on a Flow Pipe
9,057,635 06/16/15 Velocity Based Method for Determining Air-Fuel Ratio of a Fluid Flow
9,062,682 06/23/15 Applications of Pump Performance Monitoring
9,068,872 06/30/15 Method and Apparatus for Monitoring Multiphase Fluid Flow
9,169,158 10/27/15 Non-Chemical Air Entrained Admix
9,291,490 03/22/16 Applications of Sonar-Based VF/GVF Metering to Industrial Processing
9,297,733 03/29/16 Dispersion Compensation Technique for Differential Sonar Measurement – Density Meter
9,302,270 04/05/16 Mineral Separation Using Functinalized Filters and Membranes
9,327,294 05/03/16 Synthetic Bubbles or Beads Having Hydrophobic Surface
9,335,298 05/10/16 Wear-Monitoring with Rotational Sensor and Sensor Thickness
9,352,335 05/31/16 Synthetic Beads/Bubbles Functionalized with Molecules for Attracting and Attaching to Mineral Particles of Interest
9,360,309 06/07/16 Method and Apparatus for Monitoring of Component Housing Wall Thickness and Wear Monitoring
9,366,653 06/14/16 Graphical User Interace Re Wear Monitoring
9,404,893 08/02/16 Flow and Pipe Management Using Velocity Profile Measurement and/or Pipe Wall Thickness and Wear Monitoring
9,612,194 04/04/17 Spectroscopic Analysis of Oil Sands Ore Face for Real Time Ore Blend Management
9,645,001 05/09/17 Performance Monitoring of Individual Hydroclones Using Sonar-Based Slurry Flow Measurement
9,696,190 07/04/17 Acoustic Probing Technique for the Determination of Multiple Liquid/Froth Interfaces in Separation and Storage Vessels Based on an Oblique Tomographic Analysis Approach
9,731,221 08/15/17 Apparatus Having Polymer Surfaces Having a Siloxane Functional Group
9,759,556 09/12/17 Acoustic Probing Technique for the Determination of Interior Pipe Coating Wea or Scale Build-Up and Liner Wear
9,810,665 11/07/17 Sonic Filter for Measuring and Capturing Particles Having a Particular Particle Size in a Fluid, Mixture or Process Flow
9,827,574 11/28/17 Mineral Separation Using Sized-, Weighted- or Magnetic-Based Polymer Bubbles or Beads
9,833,763 12/05/17 Optimizing Acoustic Efficiency of a Sonic Filter or Separator
9,839,919 12/12/17 Charged Engineered Polymer Beads/Bubbles Functionalized with Molecules for Attracting and Attaching to Mineral Particles of Interest for Flotation Separation
9,851,201 12/26/17 Method and Apparatus for Using Cepstrum and Wavelet Based Algorithms for Wall Thickness Measurement
9,880,095 01/30/18 Laser Based System for Bitumen Content Determination, E.G., Using Discrete Wavelength Spectroscopic Analysis
9,909,910 03/06/18 Tomographic and Sonar-Based Processing Using Electrical Probing on a Flowing Fluid to Determine Flow Rate
9,921,092 03/20/18 Velocity Based Method for Determining Air-Fuel Ratio of a Fluid Flow
9,932,525 04/03/18 Method and System for Flotation Separation in a Magnetically Controllable and Steerable Medium
9,943,860 04/17/18 Mineral Recovery in Tailings Using Functionalized Polymers
9,977,007 05/22/18 Bubble Size Determination Based on Bubble Stiffness
9,981,271 05/29/18 Method and System for Releasing Mineral from Synthetic Bubbles and Beads
9,981,272 05/29/18 Techniques for Transporting Synthetic Beads or Bubbles in a Flotation Cell Or Column
9,989,453 06/05/18 Tomographic Determination of Scale Build-Up in Pipes and Other Tanks, Cells, Vessels or Containers
9,995,609 06/12/18 Single Wrapped Sensor Flow Meter
10,031,009 07/24/18 Flow Profiling Techniques Based on Modulated Magnetic Electrical Impedance Tomography
10,060,570 08/28/18 Smart Pipe Concept Based on Embedded Taggant-Sensor and/or Color-Encoded Elements to Monitor Liner Wear in Lined Pipelines, Incluing Uethan Lined Pipe
10,071,352 09/11/18 Techniques for Agglomerating Mature Fine Tailing by Injecting a Polymer in a Process Flow
10,088,454 10/02/18 Speed of Sound and/or Density Measurement Using Acoustic Impedance
10,099,251 10/16/18 Re-Lined Pipe Technique for Wear Mitigation in Slurry Transport Pipeline
10,156,547 12/18/18 Method and Appartaus for Providing Real Time Air Measurement Applications in Wet Concrete
10,216,204 02/26/19 Determining Shear Rate and/or Shear Stress from Sonar Based Velocity Profiles and Differential Pressure
10,228,706 03/12/19 Method and Apparatus for Using Velocity Profile Measurements in Recovering Bitumen from a Coarse Tailings Line
10,245,597 04/02/19 Dimensionally Controlled “Engineered Polymer Bubble” for Flotation Separation
10,309,887 06/04/19 Acoustic Impact Particle Size Measurement
10,357,782 07/23/19 Flotation Separation Using Lightweight Synthetic Beads or Bubbles
10,379,071 08/13/19 Dual Acoustic and Electrical Analysis Technique for the Tomographic Determination of Multiphase Flows in Pipes and/or Liquid/Froth Interfaces in Process Tanks

If you have any questions regarding CiDRA’s patents please contact CiDRA at the below address.

CiDRA
50 Barnes Park North
Wallingford, CT 06492
Attn: Patents
Phone: 203.265.0035
Fax: 203.294.4211
email CiDRA Patents

This page was last updated: August 14, 2019