Chen Cheng Zhong

Follow

Person

Suzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Clutch mechanism for use in power tools
- Patent number 7,721,861
- Issue date May 25, 2010
- Positec Power Tools (Suzhou) Co., Ltd.
- Chen Cheng Zhong
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Eccentric stroke adjusting mechanism
- Patent number 7,530,881
- Issue date May 12, 2009
- Positec Power Tools (Suzhou) Co., Ltd.
- Chen Cheng Zhong
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Clutch mechanism for use in power tools
- Publication number 20060289264
- Publication date Dec 28, 2006
- Chen Cheng Zhong
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Eccentric stroke adjusting mechanism
- Publication number 20060189267
- Publication date Aug 24, 2006
- Chen Cheng Zhong
- B24 - GRINDING POLISHING