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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 = 6,340

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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
Electric Motors
Wellbore Fluid Dynamics
Drill Bits
Gas Lift Valves
Fluid Flow Control
Corrosion Protection
Pneumatic Forging
Cable Connectors
Wear Resistance
Sealing Systems
Multiplexer

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),
Company Overview
Camco International, Inc., based in Houston, Texas, specializes in the development and manufacturing of advanced submersible pumping systems. The company focuses on core technologies such as electric motors, wellbore fluid dynamics, and fluid flow control, catering to the oil and gas industry. Camco's expertise extends to drill bits, gas lift valves, and corrosion protection, ensuring efficient and reliable performance in challenging environments. Their innovative solutions are designed to enhance operational efficiency and address complex fluid management challenges.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

226 Patents

#40 in Houston, TX

#108 in Texas

#1,850 in US

#3,784 in the World

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

Camco International, Inc.

Forward Citations = 6,340

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Camco International, Inc.. Retrieved from https://idiyas.com/company/camco-international

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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