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Stonehouse, United Kingdom

Camco Drilling Group Limited

USPTO Granted Patents = 34

Forward Citations = 2,095

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29 inventors (with patents filed for the assignee):

Nigel Dennis Griffin (8 out of 39 patents)

Andrew D Murdock (6 out of 16 patents)

John M Fuller (6 out of 22 patents)

4. Malcolm Roy Taylor (5 out of 26 patents)

5. Terry R Matthias (5 out of 20 patents)

6. John D Barr (4 out of 40 patents)

7. Alex Newton (4 out of 8 patents)

8. John M Clegg (4 out of 11 patents)

9. Douglas Bruce Caraway (2 out of 16 patents)

10. Richard Edward Thorp (2 out of 4 patents)

11. Thomas A Newton, Jr (2 out of 2 patents)

12. Michael King Russell (1 out of 29 patents)

13. Mark A Colebrook (1 out of 3 patents)

14. Tom Scott Roberts (1 out of 9 patents)

15. Andrew Keohane (1 out of 1 patent)

Core Competencies:

Preform Cutting Elements

Cutter Assemblies

Superhard Material

Rotatable Pressure Seal

Coiled Tubing

Modulated Bias Unit

Steerable Systems

Fluid Passages

34 patents: Sort by Forward Citations

1. 6065554 - Preform cutting elements for rotary drill bits (2000-05-23),

2. 5992549 - Cutting structures for rotary drill bits (1999-11-30),

3. 5959380 - Prevention of particle accumulation between rotatable components of an (1999-09-28),

4. 5888619 - Elements faced with superhard material (1999-03-30),

5. 5875849 - Apparatus and method for recompleting wells with coiled tubing (1999-03-02),

6. 5862873 - Elements faced with superhard material (1999-01-26),

7. 5829539 - Rotary drill bit with hardfaced fluid passages and method of (1998-11-03),

8. 5769175 - Cutter assemblies for rotary drill bits (1998-06-23),

9. 5720357 - Cutter assemblies for rotary drill bits (1998-02-24),

10. 5699868 - Rotary drill bits having nozzles to enhance recirculation (1997-12-23),

11. 5671818 - Rotary drill bits (1997-09-30),

12. 5651421 - Rotary drill bits (1997-07-29),

13. 5649604 - Rotary drill bits (1997-07-22),

14. 5617928 - Elements faced with superhard material (1997-04-08),

15. 5611649 - Elements faced with superhard material (1997-03-18),

Company Overview

Camco Drilling Group Limited is a specialized provider of drilling solutions, focusing on the oil and gas sector. The company is known for its innovative technologies and equipment designed to enhance drilling efficiency and safety. With a strong emphasis on research and development, Camco aims to advance drilling methodologies and optimize performance in various geological conditions. Headquartered in Stonehouse, GB, the organization serves a diverse range of clients across multiple regions, contributing to the evolution of drilling practices in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

34 Patents

#2 in Stonehouse

#527 in United Kingdom

#19,612 in the World

Stonehouse, United Kingdom

Camco Drilling Group Limited

Forward Citations = 2,095

29 inventors:

Nigel Dennis Griffin (8 out of 39 patents)

Andrew D Murdock (6 out of 16 patents)

John M Fuller (6 out of 22 patents)

4. Malcolm Roy Taylor (5 out of 26 patents)

5. Terry R Matthias (5 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Camco Drilling Group Limited. Retrieved from https://idiyas.com/company/camco-drilling-group

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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