Jeffrey Johnson

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Bixby, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Equalizing cartridge for a flapper valve
- Patent number 11,396,791
- Issue date Jul 26, 2022
- Baker Hughes Oilfield Operations LLC
- Jeffrey Johnson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety valve coupling and method of manufacturing valve
- Patent number 10,626,703
- Issue date Apr 21, 2020
- Baker Hughes, a GE company, LLC
- Jeffrey Johnson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
EQUALIZING CARTRIDGE FOR A FLAPPER VALVE
- Publication number 20220034425
- Publication date Feb 3, 2022
- Baker Hughes Oilfield Operations LLC
- Jeffrey Johnson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SAFETY VALVE COUPLING AND METHOD OF MANUFACTURING VALVE
- Publication number 20190145188
- Publication date May 16, 2019
- BAKER HUGHES, A GE COMPANY, LLC
- Jeffrey Johnson
- E21 - EARTH DRILLING MINING