Yongguang Cao

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Charging gun with magnetic element controlling magnetic switch
- Patent number 10,770,828
- Issue date Sep 8, 2020
- KUNSHAN HUIHE NEW ENERGY TECHNOLOGY CO., LTD.
- Yongguang Cao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Mining elevator traction cable connecting apparatus and measuring m...
- Patent number 9,156,655
- Issue date Oct 13, 2015
- China University of Mining and Technology
- Guohua Cao
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
CHARGING GUN
- Publication number 20200021056
- Publication date Jan 16, 2020
- KUNSHAN HUIHE NEW ENERGY TECHNOLOGY CO., LTD.
- Yongguang CAO
- B60 - VEHICLES IN GENERAL
Information Patent Application
MINING ELEVATOR TRACTION CABLE CONNECTING APPARATUS AND MEASURING M...
- Publication number 20130056313
- Publication date Mar 7, 2013
- DONGNAN ELEVATOR CO., LTD.
- Guohua Cao
- B66 - HOISTING LIFTING HAULING