Hua Yan

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hatch stop for wind turbines
- Patent number 7,845,693
- Issue date Dec 7, 2010
- General Electric Company
- Rui Li
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
HATCH STOP FOR WIND TURBINES
- Publication number 20100090479
- Publication date Apr 15, 2010
- General Electric Company
- Rui Li
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES