Chung-Shan Shen

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Dental floss holder
- Patent number 7,201,173
- Issue date Apr 10, 2007
- Chung-Shan Shen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Timing lock device for a faucet
- Patent number 6,739,572
- Issue date May 25, 2004
- Chung-Shan Shen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electrically operated oscillatory toothbrush
- Patent number 5,794,295
- Issue date Aug 18, 1998
- Chung-Shan Shen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pneumatic controlled infusion device
- Patent number 5,749,854
- Issue date May 12, 1998
- Chung-Shan Shen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Door closer with a pneumatic dashpot
- Patent number 5,727,286
- Issue date Mar 17, 1998
- Chung-Shan Shen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
Dental floss holder
- Publication number 20050247328
- Publication date Nov 10, 2005
- Chung-Shan Shen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Switch device for door
- Publication number 20050062293
- Publication date Mar 24, 2005
- Chung-Shan Shen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Timing lock device for a faucet
- Publication number 20040011978
- Publication date Jan 22, 2004
- Chung-Shan Shen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Fixation and anti-leakage socket joint
- Publication number 20020043804
- Publication date Apr 18, 2002
- Chung Shan Shen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...