Di Nan Li

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Suzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Safety interlocking device for a switch
- Patent number 8,445,797
- Issue date May 21, 2013
- Siemens Aktiengesellschaft
- Di Nan Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for switching an electrical switch on and off
- Patent number 8,319,131
- Issue date Nov 27, 2012
- Siemens Aktiengesellschaft
- De Zhou Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SAFETY INTERLOCKING DEVICE FOR A SWITCH
- Publication number 20110048905
- Publication date Mar 3, 2011
- SIEMENS ELECTRICAL APPARATUS LTD.
- Di Nan Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEVICE FOR SWITCHING AN ELECTRICAL SWITCH ON AND OFF
- Publication number 20100326805
- Publication date Dec 30, 2010
- De Zhou Chen
- H01 - BASIC ELECTRIC ELEMENTS