NATIONAL STEEL CAR 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 901
 
  
 
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 344
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 1919
 
  
 
B61G COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES315
 
  
 
B61C LOCOMOTIVES; MOTOR RAILCARS 214
 
  
 
B61H BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES 214
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES277
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES 156

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0369,081 RAIL ROAD CAR AND TRUCK THEREFORAug 30, 17Dec 28, 17[B61F, B61D]
2016/0001,796 TRUCK AND SIDEFRAME THEREFORFeb 27, 14Jan 07, 16[B61F]
2015/0375,760 RAILROAD GONDOLA CAR STRUCTURESep 10, 15Dec 31, 15[B61D]
2015/0114,253 RAILROAD HOPPER CAR AND DOOR MECHANISM THEREFORDec 23, 14Apr 30, 15[B61D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9834230 Hopper car discharge structureMay 27, 15Dec 05, 17[B61D]
9789886 Rail road car and truck thereforSep 04, 11Oct 17, 17[B61F, B61D]
9738292 Tank car apparatusJul 14, 15Aug 22, 17[B61D, B65D]
9475508 Rail road car truck and fitting thereforDec 31, 13Oct 25, 16[B61F]
9346472 Rail road freight carSep 12, 13May 24, 16[B61F, B61D]
9278700 Fittings for railroad car truckMay 12, 14Mar 08, 16[B61F]
9272717 Rail road hopper car ridge fittingsDec 13, 13Mar 01, 16[B61D]
9266539 Railroad car and door mechanism thereforJan 22, 13Feb 23, 16[B61D]
9254850 Rail road car truck with bearing adapter and methodFeb 02, 10Feb 09, 16[B61F, B61D]
9193366 Rail road car draft fittingsAug 24, 10Nov 24, 15[B61G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0315,041 SYMMETRICAL MULTI-UNIT RAILROAD CARAbandonedSep 02, 11Dec 29, 11[B61D]
2010/0139,521 RAIL ROAD CAR TRUCK WITH ROCKING SIDEFRAMEAbandonedNov 03, 09Jun 10, 10[B61F]
2008/0271,633 RAIL ROAD CAR TRUCK AND FITTINGS THEREFORAbandonedOct 31, 07Nov 06, 08[B61F]
2008/0206,009 RAIL ROAD CAR WITH REDUCED SLACKAbandonedApr 22, 08Aug 28, 08[B60P]
2007/0234,928 COIL STOP FOR RAIL ROAD COIL CARAbandonedJun 15, 07Oct 11, 07[B60P]
2006/0254,455 RAIL ROAD CAR WITH CANTILEVERED ARTICULATIONAbandonedMay 23, 06Nov 16, 06[B61D]
2006/0243,159 Dropped deck center beam rail road car with shallow center sillAbandonedFeb 07, 06Nov 02, 06[B61D]
2006/0137,565 Rail road car truck and bearing adapter fitting thereforAbandonedDec 23, 04Jun 29, 06[B61D]
7044062 Dropped deck center beam rail road carExpiredMar 12, 01May 16, 06[B61D]
7025003 Dropped deck center beam rail road car with shallow center sillExpiredMay 09, 03Apr 11, 06[B61D]
6983702 Dropped deck center beam rail road carExpiredMar 15, 04Jan 10, 06[B61D]
2005/0223,936 Rail road car truck with bearing adapter and methodAbandonedApr 05, 05Oct 13, 05[B61F]
2005/0117,990 Rail road car with lading securement storage apparatusAbandonedSep 28, 04Jun 02, 05[B61D]
2003/0230,214 Coil car structureAbandonedApr 08, 03Dec 18, 03[B61D]
2003/0200,895 AUTO RACK RAIL CAR WITH END CLOSUREAbandonedApr 30, 02Oct 30, 03[B61D]
2002/0076,289 Insulated triple trough coil carAbandonedDec 15, 00Jun 20, 02[B60P]
2002/0076,290 Triple trough coil car with deep center sillAbandonedDec 15, 00Jun 20, 02[B60P]
6138579 Autorack railcar adjustable decking structure and methodExpiredApr 21, 98Oct 31, 00[B61D]
5730063 High capacity container rail car for varying arrangements intermodal containersExpiredApr 30, 96Mar 24, 98[B61D]
4951575 Depressed center beam flat carExpiredJun 09, 89Aug 28, 90[B61D]

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