John Lloyd Busby

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable inner riser mandrel hanger assembly
- Patent number 11,091,974
- Issue date Aug 17, 2021
- Chevron U.S.A. Inc.
- Vicki Deck Corso
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE INNER RISER MANDREL HANGER ASSEMBLY
- Publication number 20210148182
- Publication date May 20, 2021
- Chevron U.S.A. Inc.
- Vicki Deck Corso
- E21 - EARTH DRILLING MINING
Information Patent Application
Subsea Intervention Plug Pulling Device
- Publication number 20150136406
- Publication date May 21, 2015
- Chevron U.S.A. Inc.
- Mauricio Baez
- E21 - EARTH DRILLING MINING