Yupei Lin

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Chongqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cam self-adaptive automatic speed shift hub
- Patent number 8,789,435
- Issue date Jul 29, 2014
- Southwest University
- Rongsheng Xue
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
CAM SELF-ADAPTIVE AUTOMATIC SPEED SHIFT HUB
- Publication number 20110015030
- Publication date Jan 20, 2011
- SOUTHWEST UNIVERSITY
- Rongsheng Xue
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS