CRRC QINGDAO SIFANG CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR562
 
  
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 422
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 236
 
  
 
B61C LOCOMOTIVES; MOTOR RAILCARS 214
 
  
 
B61K OTHER AUXILIARY EQUIPMENT FOR RAILWAYS 211
 
  
 
B61L GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 224
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 220
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0276,577 COLOURING METHOD FOR WROUGHT ALUMINIUM ALLOY WELDED JOINT COLOUR METALLOGRAPHYOct 12, 15Sep 28, 17[G01N]
2017/0151,961 AIR CONDITIONING UNIT OF TRACK VEHICLE MOUNTED UNDER VEHICLENov 10, 15Jun 01, 17[B61D]
2017/0066,460 SIMULATION AND EXPERIMENT PLATFORM FOR HIGH-SPEED TRAIN BRAKING SYSTEM AND EXPERIMENT METHODOct 28, 15Mar 09, 17[B61L, G01M, G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9916331 Method and device for automatically processing static test data of rail transit vehicleOct 29, 15Mar 13, 18[G01M, G06F]
9889864 Railway vehicle and head vehicle barrier-removing device thereofNov 05, 15Feb 13, 18[B61F, B61D]
9891140 Simulation system for current collecting surface of C-type contact railOct 27, 15Feb 13, 18[G01M, E01B, B60M]
9809147 Position-limiting deviceNov 13, 15Nov 07, 17[B61D, B60P]
9806506 High voltage equipment box for railway vehicleNov 16, 15Oct 31, 17[B61D, H02G]
9797714 Limit detection system for railway vehicleOct 28, 15Oct 24, 17[B61K, G01M, G01B]
9758180 Securing system for freight wagon and freight wagonNov 10, 15Sep 12, 17[B61D, B60P]
9744976 Railway vehicle and axle box structure thereofNov 12, 15Aug 29, 17[B61F]
9682714 Switching circuit for implementing coupling at random end of trainOct 29, 15Jun 20, 17[B61C, B60L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0332,648 TRAIN DRIVING ASSISTANCE METHOD AND SYSTEMAbandonedSep 23, 15Nov 17, 16[B61L]
2016/0335,391 METHOD AND SYSTEM FOR INTERACTING RAIL TRANSIT VEHICLE COMMISSIONING TASK INFORMATIONAbandonedOct 28, 15Nov 17, 16[G06F]

Top Inventors for This Owner

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