Sung-Wang Yang

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Tainan Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Castor that is braked and positioned simultaneously
- Patent number 7,950,108
- Issue date May 31, 2011
- Sunny Castors Co., Ltd.
- Sung-Wang Yang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Caster braking and locking structure
- Patent number 6,619,438
- Issue date Sep 16, 2003
- Sung-Wang Yang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Caster structure with functions of brake and rotation constraint
- Patent number 6,360,851
- Issue date Mar 26, 2002
- Sung-Wang Yang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake mechanism of castor
- Patent number 5,617,934
- Issue date Apr 8, 1997
- Sung-Wang Yang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake system for roller casters
- Patent number 5,368,133
- Issue date Nov 29, 1994
- Sung-Wang Yang
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Castor Having Reinforced Strength
- Publication number 20100212108
- Publication date Aug 26, 2010
- Sung-Wang Yang
- B60 - VEHICLES IN GENERAL
Information Patent Application
CASTOR THAT IS BRAKED AND POSITIONED SIMULTANEOUSLY
- Publication number 20100107361
- Publication date May 6, 2010
- Sung-Wang Yang
- B60 - VEHICLES IN GENERAL
Information Patent Application
Wheel Structure
- Publication number 20060076097
- Publication date Apr 13, 2006
- Sung-Wang Yang
- B60 - VEHICLES IN GENERAL