Lai-Fuh Fan

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Miaoli City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Throttle unit for dump bailer and method of blocking a water out zo...
- Patent number 7,735,550
- Issue date Jun 15, 2010
- CPC Corporation
- Chi San Sun
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of blocking water-out zone in a gas well by dumping cement a...
- Patent number 7,694,737
- Issue date Apr 13, 2010
- CPC Corporation, Taiwan
- Chi-San Sun
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF BLOCKING WATER-OUT ZONE IN A GAS WELL BY DUMPING CEMENT A...
- Publication number 20090120643
- Publication date May 14, 2009
- CPC CORPORATION, TAIWAN
- Chi-San Sun
- E21 - EARTH DRILLING MINING
Information Patent Application
THROTTLE UNIT FOR DUMP BAILER AND METHOD OF BLOCKING A WATER OUT ZO...
- Publication number 20090032256
- Publication date Feb 5, 2009
- CPC CORPORATION
- Chi San SUN
- E21 - EARTH DRILLING MINING