XIAOLEI ZHAO

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QINGDAO, CN

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Patents Grantslast 30 patents

Information Patent Grant
Loading test test-and-control system and method of vehicle lifter l...
- Patent number 10,345,197
- Issue date Jul 9, 2019
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- Hui Ding
- G01 - MEASURING TESTING
Information Patent Grant
Self-adjusting supporting head
- Patent number 9,540,221
- Issue date Jan 10, 2017
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- Minghai Wang
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
LOADING TEST TEST-AND-CONTROL SYSTEM AND METHOD OF VEHICLE LIFTER L...
- Publication number 20180292297
- Publication date Oct 11, 2018
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- HUI DING
- G01 - MEASURING TESTING
Information Patent Application
SELF-ADJUSTING SUPPORTING HEAD
- Publication number 20160280521
- Publication date Sep 29, 2016
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- MINGHAI WANG
- B61 - RAILWAYS