NATIONAL STEEL CAR LIMITED

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 781
 
 
 
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 292
 
 
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 1911
 
 
 
B61G COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES312
 
 
 
B61C LOCOMOTIVES; MOTOR RAILCARS 210
 
 
 
B61H BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES 29
 
 
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES280
 
 
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 148
 
 
 
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 177
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 165

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0261,068 RAILROAD CAR AND DOOR MECHANISM THEREFORMar 15, 13Sep 18, 14[B61D]
2014/0261,069 RAILROAD HOPPER CAR AND DOOR MECHANISM THEREFORJun 28, 13Sep 18, 14[B61D]
2014/0245,921 FITTINGS FOR RAILROAD CAR TRUCKMay 12, 14Sep 04, 14[B61F]
2014/0202,354 FREIGHT CAR WITH LIFTING LOCATION AND METHODJan 18, 13Jul 24, 14[B61D]
2014/0130,706 FITTING FOR AUTORACK RAILROAD CAR HOUSINGNov 15, 12May 15, 14[B61D]
2014/0130,707 MOVABLE SUPPORT FITTING FOR RAILROAD CARNov 15, 12May 15, 14[B61D]
2014/0116,290 FITTINGS FOR AUTORACK RAILROAD CARNov 01, 12May 01, 14[B61D]
2014/0109,792 RAIL ROAD CAR TRUCK AND FITTING THEREFORDec 31, 13Apr 24, 14[B61F]
2014/0026,781 RAILROAD CAR AND DOOR MECHANISM THEREFORJan 22, 13Jan 30, 14[B61D]
2013/0263,757 AUTORACK RAILROAD CAR AND UNDERFRAME THEREFORApr 05, 12Oct 10, 13[B61D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,770,113 Rail road freight car with damped suspensionAug 10, 09Jul 08, 14[B61F]
8,746,151 Rail road car truck and fitting thereforMar 03, 09Jun 10, 14[B61F]
8,739,705 Autorack railroad car and underframe thereforApr 05, 12Jun 03, 14[B61D]
8,726,812 Rail road freight car truck with self-steering rockerSep 15, 12May 20, 14[B61F]
8,720,347 Relieved bearing adapter for railroad freight car truckSep 15, 12May 13, 14[B61F]
8,622,004 Rail road hopper car ridge fittingsOct 31, 11Jan 07, 14[B61D]
8,596,203 Railroad car and door mechanism thereforMay 11, 11Dec 03, 13[B61D]
8,479,661 Railroad car center sill structureNov 14, 08Jul 09, 13[B61D]
8,413,592 Rail road car truckNov 02, 10Apr 09, 13[B61F]
8,356,560 Railroad car and door mechanism thereforJan 27, 10Jan 22, 13[B61D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2011/0315,041 SYMMETRICAL MULTI-UNIT RAILROAD CARSep 02, 11Dec 29, 11[B61D]
2010/0139,521 RAIL ROAD CAR TRUCK WITH ROCKING SIDEFRAMENov 03, 09Jun 10, 10[B61F]
2008/0271,633 RAIL ROAD CAR TRUCK AND FITTINGS THEREFOROct 31, 07Nov 06, 08[B61F]
2008/0206,009 RAIL ROAD CAR WITH REDUCED SLACKApr 22, 08Aug 28, 08[B60P]
2007/0234,928 COIL STOP FOR RAIL ROAD COIL CARJun 15, 07Oct 11, 07[B60P]
2006/0254,455 RAIL ROAD CAR WITH CANTILEVERED ARTICULATIONMay 23, 06Nov 16, 06[B61D]
2006/0243,159 Dropped deck center beam rail road car with shallow center sillFeb 07, 06Nov 02, 06[B61D]
2006/0137,565 Rail road car truck and bearing adapter fitting thereforDec 23, 04Jun 29, 06[B61D]
7,044,062 Dropped deck center beam rail road carMar 12, 01May 16, 06[B61D]
7,025,003 Dropped deck center beam rail road car with shallow center sillMay 09, 03Apr 11, 06[B61D]
6,983,702 Dropped deck center beam rail road carMar 15, 04Jan 10, 06[B61D]
2005/0223,936 Rail road car truck with bearing adapter and methodApr 05, 05Oct 13, 05[B61F]
2005/0117,990 Rail road car with lading securement storage apparatusSep 28, 04Jun 02, 05[B61D]
2003/0230,214 Coil car structureApr 08, 03Dec 18, 03[B61D]
2003/0200,895 AUTO RACK RAIL CAR WITH END CLOSUREApr 30, 02Oct 30, 03[B61D]
2002/0076,289 Insulated triple trough coil carDec 15, 00Jun 20, 02[B60P]
2002/0076,290 Triple trough coil car with deep center sillDec 15, 00Jun 20, 02[B60P]
6,138,579 Autorack railcar adjustable decking structure and methodApr 21, 98Oct 31, 00[B61D]
5,730,063 High capacity container rail car for varying arrangements intermodal containersApr 30, 96Mar 24, 98[B61D]
4,951,575 Depressed center beam flat carJun 09, 89Aug 28, 90[B61D]

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Top Inventors for This Owner

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