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Stonehouse, United Kingdom

Camco International (UK) Limited

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USPTO Granted Patents = 46

% Expired Patents = 2.2

Forward Citations = 3,471

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35 inventors (with patents filed for the assignee):

Nigel Dennis Griffin (15 out of 39 patents)

Malcolm Roy Taylor (11 out of 26 patents)

Steven Taylor (9 out of 10 patents)

4. Tom Scott Roberts (7 out of 9 patents)

5. Terry R Matthias (7 out of 20 patents)

6. Andrew D Murdock (7 out of 16 patents)

7. Peter Raymond Hughes (6 out of 15 patents)

8. Stephen Martin Evans (6 out of 8 patents)

9. Douglas Bruce Caraway (5 out of 16 patents)

10. John Hayward (4 out of 4 patents)

11. Graham R Watson (4 out of 7 patents)

12. Dean Travers Watson (3 out of 3 patents)

13. Brian P Jarvis (2 out of 11 patents)

14. Steve Barton (2 out of 2 patents)

15. David John Jelley (2 out of 2 patents)

Core Competencies:

Polycrystalline Diamond

Rotary Drill Bits

Cutting Structure

Wear Resistant

Manufacturing Methods

Downhole Components

Torque Transmitting

Earth Boring

Superhard Material

Preform Elements

Steerable Systems

Vibration Detection

46 patents: Sort by Forward Citations

1. 6592985 - Polycrystalline diamond partially depleted of catalyzing material (2003-07-15),

2. 6588714 - Cable protector and support (2003-07-08),

3. 6562462 - High volume density polycrystalline diamond with working surfaces depleted of catalyzing material (2003-05-13),

4. 6544308 - High volume density polycrystalline diamond with working surfaces depleted of catalyzing material (2003-04-08),

5. 6517902 - Methods of treating preform elements (2003-02-11),

6. 6484825 - Cutting structure for earth boring drill bits (2002-11-26),

7. 6484822 - Cutting structure for earth boring drill bits (2002-11-26),

8. 6481511 - Rotary drill bit (2002-11-19),

9. 6454028 - Wear resistant drill bit (2002-09-24),

10. 6439327 - Cutting elements for rotary drill bits (2002-08-27),

11. 6435058 - Rotary drill bit design method (2002-08-20),

12. 6427792 - Active gauge cutting structure for earth boring drill bits (2002-08-06),

13. 6410085 - Method of machining of polycrystalline diamond (2002-06-25),

14. 6394200 - Drillout bi-center bit (2002-05-28),

15. 6348110 - Methods of manufacturing rotary drill bits (2002-02-19),

Company Overview

Camco International (UK) Limited is a prominent player in the field of drilling technology, specializing in the development and manufacture of advanced drilling systems and components. The company focuses on polycrystalline diamond technologies, producing high-performance earth boring drill bits, rotary drill bits, and wear-resistant cutting elements. With a strong emphasis on superhard materials and torque transmitting devices, Camco serves various industries, enhancing drilling efficiency and durability in challenging environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

46 Patents

#1 in Stonehouse

#383 in United Kingdom

#15,136 in the World

Stonehouse, United Kingdom

Camco International (UK) Limited

Forward Citations = 3,471

35 inventors:

Nigel Dennis Griffin (15 out of 39 patents)

Malcolm Roy Taylor (11 out of 26 patents)

Steven Taylor (9 out of 10 patents)

4. Tom Scott Roberts (7 out of 9 patents)

5. Terry R Matthias (7 out of 20 patents)

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

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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