Xiangfei Kong

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Rail vibration absorber
- Patent number 9,970,161
- Issue date May 15, 2018
- QINGDAO CREATE ENVIRONMENT CONTROL TECHNOLOGY CO., LTD.
- Hong Li
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Method for quickly supplying electric energy to electric vehicle an...
- Patent number 9,321,433
- Issue date Apr 26, 2016
- Xuejun Yin
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
RAIL VIBRATION ABSORBER
- Publication number 20160298300
- Publication date Oct 13, 2016
- QINGDAO CREATE ENVIRONMENT CONTROL TECHNOLOGY CO., LTD.
- HONG LI
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
METHOD FOR QUICKLY SUPPLYING ELECTRIC ENERGY TO ELECTRIC VEHICLE AN...
- Publication number 20120326665
- Publication date Dec 27, 2012
- Xuejun Yin
- B60 - VEHICLES IN GENERAL