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Patents Grantslast 30 patents

Information Patent Grant
Heavy freight train marshalling device and marshalling method, and...
- Patent number 10,246,110
- Issue date Apr 2, 2019
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- Yanfen Xu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Broadband communication network architecture with train control net...
- Patent number 10,056,985
- Issue date Aug 21, 2018
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- Yanfen Xu
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
IN-VEHICLE NETWORK SYSTEM AND COMMUNICATION METHOD THEREOF
- Publication number 20210009174
- Publication date Jan 14, 2021
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- Yanfen XU
- B61 - RAILWAYS
Information Patent Application
HEAVY FREIGHT TRAIN MARSHALLING DEVICE AND MARSHALLING METHOD, AND...
- Publication number 20180194378
- Publication date Jul 12, 2018
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- YANFEN XU
- B60 - VEHICLES IN GENERAL
Information Patent Application
BROADBAND COMMUNICATION NETWORK ARCHITECTURE WITH TRAIN CONTROL NET...
- Publication number 20180123703
- Publication date May 3, 2018
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.
- YANFEN XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE