Bin Pu

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tricone rock bit for horizontal wells and hard formation wells
- Patent number 9,410,378
- Issue date Aug 9, 2016
- KINGDREAM PUBLIC LTD. CO.
- Zengyuan Shao
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TRICONE ROCK BIT FOR HORIZONTAL WELLS AND HARD FORMATION WELLS
- Publication number 20140116787
- Publication date May 1, 2014
- Kingdream Public Ltd. Co.
- Zengyuan Shao
- E21 - EARTH DRILLING MINING
Information Patent Application
Tri-cone bits for horizontal and hard formation drilling applications
- Publication number 20100032215
- Publication date Feb 11, 2010
- Kingdream Public Ltd. Co.
- Zengyuan Shao
- E21 - EARTH DRILLING MINING