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For the Inventor, By the Inventor

Houston, TX, United States of America

Cooper Cameron Corporation


USPTO Granted Patents = 109

% Expired Patents = 6.4


Trademarks = 7

Forward Citations = 2,324

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102 inventors (with patents filed for the assignee):

goldMedal Hans Paul Hopper (14 out of 64 patents)

silverMedal Klaus Biester (8 out of 71 patents)

bronzeMedal Gerald S Baker (6 out of 30 patents)

4.  Timothy J Allen (6 out of 6 patents)

5.  William M Taylor (5 out of 27 patents)

6.  Thomas G Cassity (5 out of 10 patents)

7.  Brian Hart (4 out of 12 patents)

8.  David H Theiss (4 out of 16 patents)

9.  David R Mefford (4 out of 5 patents)

10.  David Garnham (4 out of 5 patents)

11.  Dennis P Nguyen (3 out of 113 patents)

12.  Paul Douglas Freen (3 out of 6 patents)

13.  Robert M Kolodziej (3 out of 18 patents)

14.  Edmund A Fisher (3 out of 13 patents)

15.  Daryl L Ard (3 out of 4 patents)


Core Competencies:
Blowout Preventer
Valve Assembly
Subsea Control
Wellhead Assembly
Drilling Systems
Fluid Injection
Pressure Compensation
Riser Systems
Ultrasonic Testing
Connector Devices
Actuation Modules
Emergency Dump

109 patents:

1. RE44520 - Tubing hanger with annulus bore (2013-10-07),
2. 7093660 - Well operations system (2006-08-22),
3. 7063004 - Piston assembly (2006-06-20),
4. 7062960 - Blow out preventer testing apparatus (2006-06-20),
5. 7048004 - Valve system (2006-05-23),
6. 7025322 - Blowout valve assembly (2006-04-11),
7. 7021602 - Valve, actuator and control system therefor (2006-04-04),
8. 7007922 - Rotating regulating device (2006-03-07),
9. 7000890 - Pressure compensated shear seal solenoid valve (2006-02-21),
10. 6991039 - Well operations system (2006-01-31),
11. 6988554 - Subsea choke control system (2006-01-24),
12. 6986499 - Valve, actuator and control system therefor (2006-01-17),
13. 6978979 - Isolating device (2005-12-27),
14. 6966381 - Drill-through spool body sleeve assembly (2005-11-22),
15. 6959603 - Ultrasonic testing system and method (2005-11-01),
Cooper Cameron Corporation, based in Houston, TX, specializes in the development and manufacturing of advanced well operations systems. The company focuses on critical technologies such as blowout preventers, valve assemblies, subsea control systems, and wellhead assemblies, which are essential for safe and efficient drilling operations. With expertise in fluid injection, pressure compensation, and riser systems, Cooper Cameron plays a vital role in enhancing the reliability and performance of oil and gas extraction processes.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

109 Patents

#62 in Houston, TX

#194 in Texas

#3,498 in US

#7,213 in the World

Houston, TX (US)
Houston, TX, United States of America

Cooper Cameron Corporation

Forward Citations = 2,324

102 inventors:

goldMedal Hans Paul Hopper (14 out of 64 patents)

silverMedal Klaus Biester (8 out of 71 patents)

bronzeMedal Gerald S Baker (6 out of 30 patents)

4.  Timothy J Allen (6 out of 6 patents)

5.  William M Taylor (5 out of 27 patents)

Please report any incorrect information to [email protected]
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