Huang Chung-Yen

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Keelung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Strengthening construction for depressing cap of water filter
- Patent number 7,435,346
- Issue date Oct 14, 2008
- Hantech Co., Ltd.
- Hsieh Wen-Pin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
STRENGTHENING CONSTRUCTION FOR DEPRESSING CAP OF WATER FILTER
- Publication number 20080185329
- Publication date Aug 7, 2008
- Hsieh Wen-Pin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Securing and leakage prevention mechanism of filter tube
- Publication number 20060090435
- Publication date May 4, 2006
- HANTECH CORPORATION
- Hsieh Wen-Pin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL