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Wallingford, CT, United States of America

Cidra Corporation

USPTO Granted Patents = 128

% Expired Patents = 1.6

CIPO Patents = 4

EPO Patents = 6

Forward Citations = 3,845

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63 inventors (with patents filed for the assignee):

Alan D Kersey (45 out of 176 patents)

Daniel L Gysling (43 out of 156 patents)

Michael A Davis (35 out of 78 patents)

4. Martin A Putnam (26 out of 99 patents)

5. Douglas H Loose (23 out of 51 patents)

6. Timothy J Bailey (21 out of 70 patents)

7. Mark R Fernald (17 out of 91 patents)

8. James R Dunphy (15 out of 57 patents)

9. Paul Eric Sanders (13 out of 45 patents)

10. Robert N Brucato (13 out of 29 patents)

11. Robert J Maron (12 out of 30 patents)

12. James M Sullivan (11 out of 37 patents)

13. Arthur D Hay (11 out of 16 patents)

14. Thomas Wolfgang Engel (10 out of 18 patents)

15. James S Sirkis (9 out of 21 patents)

Core Competencies:

Multiphase Flow

Sensor Arrays

Acoustic Pressure

Fluid Parameter

Coriolis Meter

Optical Devices

Flow Measurement

Gas Volume Fraction

Dynamically Reconfigurable

Optical Filters

Piezocable Sensors

Industrial Sensing

128 patents: Sort by Forward Citations

1. 7437946 - Apparatus and method for measuring a parameter of a multiphase flow (2008-10-21),

2. 7400985 - Apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe (2008-07-15),

3. 7389687 - System for measuring a parameter of an aerated multi-phase mixture flowing in a pipe (2008-06-24),

4. 7389187 - Apparatus and method using an array of ultrasonic sensors for determining the velocity of a fluid within a pipe (2008-06-17),

5. 7386204 - Optical filter having a shaped filter function (2008-06-10),

6. 7380439 - Apparatus and method for compensating a coriolis meter (2008-06-03),

7. 7380438 - Apparatus and method for providing a fluid cut measurement of a multi-liquid mixture compensated for entrained gas (2008-06-03),

8. 7379828 - Method and apparatus for determining a quality metric of a measurement of a fluid parameter (2008-05-27),

9. 7367240 - Apparatus and method for providing a flow measurement compensated for entrained gas (2008-05-06),

10. 7367239 - Piezocable based sensor for measuring unsteady pressures inside a pipe (2008-05-06),

11. 7363800 - Apparatus and method for measuring compositional parameters of a mixture (2008-04-29),

12. 7359803 - Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe (2008-04-15),

13. 7343820 - Apparatus and method for fiscal measuring of an aerated fluid (2008-03-18),

14. 7343818 - Apparatus and method of measuring gas volume fraction of a fluid flowing within a pipe (2008-03-18),

15. 7340353 - Dual function flow measurement apparatus having an array of sensors (2008-03-04),

Company Overview

Cidra Corporation, based in Wallingford, CT, specializes in advanced fluid measurement technology, focusing on multiphase flow applications. The company develops innovative sensor arrays and acoustic pressure measurement systems that enhance the accuracy of fluid parameter assessments. Cidra's expertise includes Coriolis meters and optical devices, which are pivotal in determining gas volume fractions and optimizing flow measurement processes across various industries. Their solutions are designed to improve operational efficiency and reliability in fluid management.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

128 Patents

#2 in Wallingford, CT

#87 in Connecticut

#3,033 in US

#6,277 in the World

Wallingford, CT, United States of America

Cidra Corporation

Forward Citations = 3,845

63 inventors:

Alan D Kersey (45 out of 176 patents)

Daniel L Gysling (43 out of 156 patents)

Michael A Davis (35 out of 78 patents)

4. Martin A Putnam (26 out of 99 patents)

5. Douglas H Loose (23 out of 51 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cidra Corporation. Retrieved from https://idiyas.com/company/cidra

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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