CHANGCHUN RAILWAY VEHICLES CO., LTD.

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Patents Grantslast 30 patents

Information Patent Grant
Method of processing gear reduction box
- Patent number 9,302,355
- Issue date Apr 5, 2016
- CHANGCHUN RAILWAY VEHICLES CO., LTD.
- Xiaofeng Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Full butt joint structure of connection joint between side frame an...
- Patent number 9,260,119
- Issue date Feb 16, 2016
- CHANGCHUN RAILWAY VEHICLES CO., LTD.
- Li Chang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PROCESSING GEAR REDUCTION BOX
- Publication number 20130239389
- Publication date Sep 19, 2013
- CHANGCHUN RAILWAY VEHICLES CO., LTD.
- XIAOFENG LIU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FULL BUTT JOINT STRUCTURE OF CONNECTION JOINT BETWEEN SIDE FRAME AN...
- Publication number 20130213258
- Publication date Aug 22, 2013
- CHANGCHUN RAILWAY VEHICLES CO., LTD.
- LI CHANG
- B61 - RAILWAYS
Information Patent Application
MOVABLE MEASURING RULER DEVICE FOR MEASURING EXTERNAL CONTOUR PRECI...
- Publication number 20120073151
- Publication date Mar 29, 2012
- CHANGCHUN RAILWAY VEHICLES CO., LTD.
- XIAOYANG XU
- G01 - MEASURING TESTING
Information Patent Application
WEIGHT REDUCTION RE-PROFILING PROCESS AFTER DYNAMIC BALANCE FOR WHE...
- Publication number 20120073412
- Publication date Mar 29, 2012
- CHANGCHUN RAILWAY VEHICLES CO., LTD.
- XIAOYAN LIU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SAFETY PROTECTION DEVICE FOR ROOF CONSTRUCTION OF TRAIN BODY ASSEMBLY
- Publication number 20120067669
- Publication date Mar 22, 2012
- CHANGCHUN RAILWAY VEHICLES CO., LTD.
- XIAOYANG XU
- B61 - RAILWAYS

Trademarklast 30 trademarks