Chuan MA

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Tangshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Bogie and rail vehicle
- Patent number 11,590,991
- Issue date Feb 28, 2023
- CRRC TANGSHAN CO., LTD.
- Lixin Zhang
- B61 - RAILWAYS
Information Patent Grant
Train compartment brake control method, train compartment, and train
- Patent number 11,511,712
- Issue date Nov 29, 2022
- CRRC TANGSHAN CO., LTD.
- Shujun Chen
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
BOGIE AND RAIL VEHICLE
- Publication number 20210237782
- Publication date Aug 5, 2021
- CRRC TANGSHAN CO., LTD.
- Lixin ZHANG
- B61 - RAILWAYS
Information Patent Application
TRAIN COMPARTMENT BRAKE CONTROL METHOD, TRAIN COMPARTMENT, AND TRAIN
- Publication number 20200164843
- Publication date May 28, 2020
- CRRC TANGSHAN CO., LTD.
- Shujun CHEN
- B60 - VEHICLES IN GENERAL