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For the Inventor, By the Inventor

Houston, TX, United States of America

Vetco Gray U.k. Limited


USPTO Granted Patents = 10

% Expired Patents = 20.0


Forward Citations = 18

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15 inventors (with patents filed for the assignee):

goldMedal Stephen Paul Fenton (3 out of 35 patents)

silverMedal David James Alexander (2 out of 3 patents)

bronzeMedal Hussain Hashemizadeh (2 out of 2 patents)

4.  Prabhu Palanisamy (2 out of 2 patents)

5.  Guy Harvey Mason (1 out of 6 patents)

6.  David Stewart Christie (1 out of 10 patents)

7.  William Thomas Bryson (1 out of 1 patent)

8.  Michael Adrian Wenham (1 out of 1 patent)

9.  Robert Bell (1 out of 6 patents)

10.  Michael Shaw (1 out of 5 patents)

11.  Cliff T Haddox (1 out of 1 patent)

12.  Michael Marr (1 out of 1 patent)

13.  Steven Salman (1 out of 1 patent)

14.  Michal Damian Burzynski (1 out of 1 patent)

15.  Ian D Calder (1 out of 6 patents)


10 patents:

1. 9316322 - Split seat shear valve (2016-04-19),
2. 9309737 - Rotational shear valve (2016-04-12),
3. 9284810 - Fluid injection system and method (2016-03-15),
4. 9267349 - Plug tooling package with integrated sequence valves (2016-02-23),
5. 9109419 - Plug installation system and method (2015-08-18),
6. 9057463 - Quick disconnect connector for subsea tubular members (2015-06-16),
7. 9057238 - Tree cap wedge seal system and method to operate the same (2015-06-16),
8. 9038726 - Light well intervention umbilical and flying lead management system and related methods (2015-05-26),
9. 8950483 - System and method for umbilical-less positional feedback of a subsea wellhead member disposed in a subsea wellhead assembly (2015-02-10),
10. 8779932 - Power supply and voltage multiplication for submerged subsea systems based on cathodic protection system (2014-07-15),
Company Overview
Vetco Gray U.K. Limited is a prominent player in the oil and gas sector, specializing in the development and manufacturing of advanced equipment and technology solutions for subsea and offshore applications. The company focuses on enhancing operational efficiency and safety through innovative engineering practices. With a strong presence in Houston, TX, Vetco Gray leverages its expertise to serve a global clientele, addressing the complex challenges faced in the energy industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#473 in Houston, TX

#1,879 in Texas

#29,839 in US

#55,986 in the World

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

Vetco Gray U.k. Limited

Forward Citations = 18

15 inventors:

goldMedal Stephen Paul Fenton (3 out of 35 patents)

silverMedal David James Alexander (2 out of 3 patents)

bronzeMedal Hussain Hashemizadeh (2 out of 2 patents)

4.  Prabhu Palanisamy (2 out of 2 patents)

5.  Guy Harvey Mason (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Vetco Gray U.k. Limited. Retrieved from https://idiyas.com/company/vetco-gray-u-k

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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