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For the Inventor, By the Inventor

GB

Reedhycalog UK Limited


USPTO Granted Patents = 10

% Expired Patents = 10.0



Forward Citations = 1,079

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11 inventors (with patents filed for the assignee):

goldMedal Nigel Dennis Griffin (6 out of 39 patents)

silverMedal Peter Raymond Hughes (6 out of 15 patents)

bronzeMedal Graham Watson (3 out of 4 patents)

4.  Douglas Caraway (1 out of 12 patents)

5.  Brian P Jarvis (1 out of 11 patents)

6.  John Michael Fuller (1 out of 1 patent)

7.  Andrew Bell (1 out of 2 patents)

8.  Simon Johnson (1 out of 1 patent)

9.  John Martin Clegg (1 out of 1 patent)

10.  Steven Paul Barton (1 out of 1 patent)

11.  Andrew David Murdock (1 out of 1 patent)

12.  Robert Woodward (0 patent)

13.  Jonathon Elvidge (0 patent)

14.  Alan H Jiang (0 patent)

15.  Graham Richard Watson (0 patent)


10 patents:

1. 8721752 - PDC cutter with stress diffusing structures (2014-05-13),
2. 7568534 - Dual-edge working surfaces for polycrystalline diamond cutting elements (2009-08-04),
3. 7457734 - Representation of whirl in fixed cutter drill bits (2008-11-25),
4. 7318492 - Rotary drill bit (2008-01-15),
5. 7308955 - Stabilizer arrangement (2007-12-18),
6. 6878447 - Polycrystalline diamond partially depleted of catalyzing material (2005-04-12),
7. 6861137 - High volume density polycrystalline diamond with working surfaces depleted of catalyzing material (2005-03-01),
8. 6861098 - Polycrystalline diamond partially depleted of catalyzing material (2005-03-01),
9. 6797326 - Method of making polycrystalline diamond with working surfaces depleted of catalyzing material (2004-09-28),
10. 6739214 - Polycrystalline diamond partially depleted of catalyzing material (2004-05-25),
Company Overview
Reedhycalog UK Limited specializes in the development and manufacturing of advanced measurement and control systems, primarily for the oil and gas industry. The company focuses on providing innovative solutions that enhance operational efficiency and safety in challenging environments. With a strong emphasis on research and technology, Reedhycalog is dedicated to delivering high-quality products that meet the evolving needs of its clients, contributing to the advancement of energy sector technologies.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#113 in

#1,730 in United Kingdom

#55,986 in the World

GB
GB

Reedhycalog UK Limited

Forward Citations = 1,079

11 inventors:

goldMedal Nigel Dennis Griffin (6 out of 39 patents)

silverMedal Peter Raymond Hughes (6 out of 15 patents)

bronzeMedal Graham Watson (3 out of 4 patents)

4.  Douglas Caraway (1 out of 12 patents)

5.  Brian P Jarvis (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Reedhycalog UK Limited. Retrieved from https://idiyas.com/company/reedhycalog-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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