Kun Yuan

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure differential device with constant pressure drop
- Patent number 10,233,726
- Issue date Mar 19, 2019
- Baker Hughes, a GE company, LLC
- Zhi Y. He
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE DIFFERENTIAL DEVICE WITH CONSTANT PRESSURE DROP
- Publication number 20160053577
- Publication date Feb 25, 2016
- BAKER HUGHES INCORPORATED
- Zhi Yong He
- E21 - EARTH DRILLING MINING