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For the Inventor, By the Inventor

Houston, TX, United States of America

Camco International, Inc.


USPTO Granted Patents = 226



Trademarks = 1

Forward Citations = 6,274

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171 inventors (with patents filed for the assignee):

goldMedal Ronald E Pringle (50 out of 120 patents)

silverMedal Arthur J Morris (22 out of 41 patents)

bronzeMedal Dwayne D Leismer (13 out of 21 patents)

4.  Kevin T Scarsdale (10 out of 28 patents)

5.  Jeffery Edward Daly (10 out of 21 patents)

6.  Olegario S Rivas (8 out of 12 patents)

7.  Brian K Moore (8 out of 9 patents)

8.  Lee S Kobylinski (7 out of 11 patents)

9.  David E Pearce (7 out of 8 patents)

10.  Lawrence C Lee (7 out of 9 patents)

11.  Stephen Michael Breit (6 out of 10 patents)

12.  Steven C Kennedy (6 out of 11 patents)

13.  Thomas G Hill, Jr (6 out of 6 patents)

14.  Clay W Milligan, Jr (5 out of 12 patents)

15.  Howard A Oswald (5 out of 5 patents)


Core Competencies:
Submersible Pumping Systems
Electric Motors
Wellbore Fluid Dynamics
Coiled Tubing Systems
Downhole Multiplexers
Gas Lift Valves
Rotary Drill Bits
Corrosion Protection
Fluid Heating Systems
Pneumatic Forging
Modular Equipment Deployment
Safety Valves

226 patents:

1. 6704689 - Complexity index methodology for the analysis of run life performance (2004-03-09),
2. 6545221 - Splice system for use in splicing coiled tubing having internal power cable (2003-04-08),
3. 6491102 - Downhole multiplexer and related methods (2002-12-10),
4. 6424105 - Real-time control of feedback signals to a motor for optimum performance (2002-07-23),
5. 6424066 - System for reducing wear and improving longevity of a electric submergible pumping system (2002-07-23),
6. 6409485 - System and method for sealing an electrical connection between a power cable and a submersible device (2002-06-25),
7. 6397945 - Power cable system for use in high temperature wellbore applications (2002-06-04),
8. 6388353 - Elongated permanent magnet synchronous motor (2002-05-14),
9. 6371226 - Drag-type rotary drill bit (2002-04-16),
10. 6364013 - Shroud for use with electric submergible pumping system (2002-04-02),
11. 6361280 - System and method for locking parts to a rotatable shaft (2002-03-26),
12. 6357530 - System and method of utilizing an electric submergible pumping system in the production of high gas to liquid ratio fluids (2002-03-19),
13. 6354740 - Rolling cutter drill bits (2002-03-12),
14. 6338621 - Volume reduction mandrel for use in pneumatic isostatic forging (2002-01-15),
15. 6332499 - Deployment tubing connector having internal electrical penetrator (2001-12-25),
Camco International is a global provider of innovative solutions in the oil and gas industry. With a focus on technology-driven products, we specialize in equipment and services for drilling, completion, production, and intervention operations. Our experienced team is committed to delivering excellence in quality, safety, and efficiency. Visit our website to learn more about our comprehensive range of solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

226 Patents

#42 in Houston, TX

#101 in Texas

#1,774 in US

#3,675 in the World

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Houston, TX, United States of America

Camco International, Inc.

Forward Citations = 6,274

171 inventors:

goldMedal Ronald E Pringle (50 out of 120 patents)

silverMedal Arthur J Morris (22 out of 41 patents)

bronzeMedal Dwayne D Leismer (13 out of 21 patents)

4.  Kevin T Scarsdale (10 out of 28 patents)

5.  Jeffery Edward Daly (10 out of 21 patents)

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