CRRC QIQIHAR ROLLING STOCK CO., LTD.

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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 917
 
  
 
B61G COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES612
 
  
 
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 517
 
  
 
E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING237
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
F16H GEARING199
 
  
 
F17C VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES 126

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0001,904 WAGON AND VEHICLE BODY ASSEMBLY THEREOFAug 24, 16Jan 04, 18[B61D]
2018/0001,909 FULL SIDE OPENABLE BOXCARAug 24, 16Jan 04, 18[B61D, E05F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9707981 Car-coupler buffer and rail way carOct 20, 14Jul 18, 17[B61G]
9216748 Bogie and side frame thereofMar 21, 13Dec 22, 15[B61F]
9061688 Bottom door device and hopper car having the sameJul 27, 12Jun 23, 15[B61D]
8950340 Ballast hopper car discharge door control systemAug 03, 12Feb 10, 15[B61D]
8939088 Bottom door opening-closing mechanism, bottom door device and drop-bottom hopper carAug 28, 12Jan 27, 15[B61D, E05F, F16H]
8746493 Tank container, tank body and processing method of tank bodyMay 19, 10Jun 10, 14[F17C, B65D]
8684199 Coupler yoke and coupler draft gearAug 08, 12Apr 01, 14[B61G]
8671845 Central suspension device, wagon bogie and express railway wagonAug 28, 12Mar 18, 14[B61F]
8561546 BogieJul 07, 11Oct 22, 13[B61F]
8561548 Journal box rubber pad and bogieJul 07, 11Oct 22, 13[B61F]

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Expired/Abandoned/Withdrawn Patents

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