Cheng-Chien Wang

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Taichung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Cooling fan
- Patent number 8,016,559
- Issue date Sep 13, 2011
- Tek-Chain Technology Co., Ltd.
- Cheng-Chien Wang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Angle adjusting device
- Patent number 4,614,452
- Issue date Sep 30, 1986
- Cheng H. Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Cooling fan
- Publication number 20100006271
- Publication date Jan 14, 2010
- TEK-CHAIN TECHNOLOGY CO., LTD.
- Cheng-Chien Wang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PROTECTION DEVICE OF THE DRIVE MECHANISM OF A CLOCK
- Publication number 20040012278
- Publication date Jan 22, 2004
- Cheng-Te Wang
- G04 - HOROLOGY