Pierre Jacquemont

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Verton, FR

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Patents Grantslast 30 patents

Information Patent Grant
Braking systems and methods for a winch drum
- Patent number 9,902,598
- Issue date Feb 27, 2018
- Schlumberger Technology Corporation
- Kun Zhang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Braking Systems And Methods For A Winch Drum
- Publication number 20140332238
- Publication date Nov 13, 2014
- Kun Zhang
- E21 - EARTH DRILLING MINING