John K. Wakfield

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Cypress, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Slotted anti-extrusion ring assembly
- Patent number 10,704,355
- Issue date Jul 7, 2020
- Baker Hughes, a GE company, LLC
- Guijun Deng
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Slotted Anti-extrusion Ring Assembly
- Publication number 20170191340
- Publication date Jul 6, 2017
- BAKER HUGHES INCORPORATED
- Guijun Deng
- E21 - EARTH DRILLING MINING