Minjian LIANG

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Zhuhai City, Guangdong Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for detecting compression and reposition performa...
- Patent number 10,723,590
- Issue date Jul 28, 2020
- Zhuhai Branch, Guangdong Institute of Special Equipment Inspection and Research
- Zhengwu Qi
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
System and method for testing an escalator
- Patent number 10,392,230
- Issue date Aug 27, 2019
- Zhengwu Qi
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
System and method for measuring safety clearance between the steps...
- Patent number 10,023,440
- Issue date Jul 17, 2018
- ZHUHAI BRANCH, GUANGDONG INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND RESEARCH
- Zhengwu Qi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR MEASURING SAFETY CLEARANCE BETWEEN THE STEPS...
- Publication number 20180148300
- Publication date May 31, 2018
- Zhuhai Branch, Guangdong Institute of Special Equipment Inspection and Research
- Zhengwu QI
- B66 - HOISTING LIFTING HAULING
Information Patent Application
DEVICE AND METHOD FOR DETECTING COMPRESSION AND REPOSITION PERFORMA...
- Publication number 20180099841
- Publication date Apr 12, 2018
- Zhuhai Branch, Guangdong Institute of Special Equipment Inspection and Research
- Zhengwu QI
- B66 - HOISTING LIFTING HAULING
Information Patent Application
SYSTEM AND METHOD FOR TESTING AN ESCALATOR
- Publication number 20170305724
- Publication date Oct 26, 2017
- GUANGDONG INSPECTION AND RESEARCH INSTITUTE OF SPECIAL EQUIPMENT, ZHUHAI INSP...
- Zhengwu QI
- B66 - HOISTING LIFTING HAULING