Guojiu Liu

Follow

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Energy-saving ground-fault circuit interrupter
- Patent number 10,163,597
- Issue date Dec 25, 2018
- SHANGHAI YUNYUAN ELECTRIC APPLIANCE CO., LTD.
- Guojiu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Portable ground fault circuit breaker
- Patent number 9,077,177
- Issue date Jul 7, 2015
- SHANGHAI YUNYUAN ELECTRIC APPLIANCE CO. LTD
- Guojiu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
ENERGY-SAVING GROUND-FAULT CIRCUIT INTERRUPTER
- Publication number 20170201087
- Publication date Jul 13, 2017
- Shanghai Yunyuan Electric Appliance Co., Ltd.
- Guojiu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PORTABLE GROUND FAULT CIRCUIT BREAKER
- Publication number 20150085405
- Publication date Mar 26, 2015
- SHANGHAI YUNYUAN ELECTRIC APPLICANCE CO., LTD
- Guojiu Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER