CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD. (CN)
Patent Applications and Registrations
Patent applications and USPTO patent grants for CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD. (CN).The latest application filed is for "follow-up mechanism and brake caliper unit for gauge-changeable bogie".
- CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD. (CN) - CN
| Patent | Date |
|---|---|
| Follow-up mechanism and brake caliper unit for gauge-changeable bogie Grant 11,208,124 - Wang , et al. December 28, 2 | 2021-12-28 |
| Synchronous soft-start networking control strategy for parallel auxiliary converters of EMU Grant 11,133,704 - Zhang , et al. September 28, 2 | 2021-09-28 |
| Method and system for configuring regenerative braking energy recovery devices in urban rail transit Grant 11,065,965 - Zhang , et al. July 20, 2 | 2021-07-20 |
| Coupler telescopic apparatus and coupler Grant 11,014,584 - Wang , et al. May 25, 2 | 2021-05-25 |
| Control system and method for permanent magnet synchronous traction and transmission system Grant 10,897,218 - Bi , et al. January 19, 2 | 2021-01-19 |
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