CRRC YANGTZE CORPORATION LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 125
 
  
 
B61F RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE 121

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0129,509 Variable Stiffness Positioning Device for Railway Vehicle Bogie Axle BoxOct 31, 14May 11, 17[B61F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919718 Variable stiffness positioning device for railway vehicle bogie axle boxOct 31, 14Mar 20, 18[B61F]
9789883 Two-level locking device, hopper car bottom door and hopper carNov 06, 14Oct 17, 17[B61D]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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