De Zhou Chen

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Wuxi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Movable contact assembly for electrical switch
- Patent number 8,513,550
- Issue date Aug 20, 2013
- Siemens Aktiengesellschaft
- De Zhou Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spring operation device and method for assembling the same and swit...
- Patent number 8,448,539
- Issue date May 28, 2013
- Siemens Aktiengesellschaft
- De Zhou Chen
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
SPRING OPERATION DEVICE AND METHOD FOR ASSEMBLING THE SAME AND SWIT...
- Publication number 20110048148
- Publication date Mar 3, 2011
- SIEMENS ELECTRICAL APPARATUS LTD.
- De Zhou Chen
- H01 - BASIC ELECTRIC ELEMENTS