Qun Yuan

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Hangzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Labor-saving device for detection of no-load hand hoist motion
- Patent number 9,556,009
- Issue date Jan 31, 2017
- Zhejiang Huadian Equipment Testing Institute
- Rui Li
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Automatic releaser with wireless controls
- Patent number 9,309,912
- Issue date Apr 12, 2016
- Zhejiang Huadian Equipment Testing Institute
- Minbo Yu
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Winding tester for composite wire rod-type specimens
- Patent number 9,255,868
- Issue date Feb 9, 2016
- Zhejiang Huadian Equipment Testing Institute
- Rui Li
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
WINDING TESTER FOR COMPOSITE WIRE ROD-TYPE SPECIMENS
- Publication number 20130291648
- Publication date Nov 7, 2013
- ZHEJIANG HUADIAN EQUIPMENT TESTING INSTITUTE
- Rui Li
- G01 - MEASURING TESTING
Information Patent Application
AUTOMATIC RELEASER WITH WIRELESS CONTROLS
- Publication number 20130294828
- Publication date Nov 7, 2013
- ZHEJIANG HUADIAN EQUIPMENT TESTING INSTITUTE
- Minbo Yu
- G01 - MEASURING TESTING
Information Patent Application
LABOR-SAVING DEVICE FOR DETECTION OF NO-LOAD HAND HOIST MOTION
- Publication number 20130284993
- Publication date Oct 31, 2013
- ZHEJIANG HUADIAN EQUIPMENT TESTING INSTITUTE
- Rui Li
- B66 - HOISTING LIFTING HAULING