John Mossop

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical actuation of a valve in a wellhead assembly
- Patent number 12,291,939
- Issue date May 6, 2025
- Innovex International, Inc.
- David G. Holliday
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICAL ACTUATION OF A VALVE IN A WELLHEAD ASSEMBLY
- Publication number 20230175351
- Publication date Jun 8, 2023
- Dril-Quip, Inc.
- David G. Holliday
- E21 - EARTH DRILLING MINING