Pullman Incorporated

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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

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE30388 Railroad car with depressed floorMay 17, 78Sep 02, 80[B61F, B61D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4655365 Hatch cover lockExpiredDec 07, 84Apr 07, 87[E05B, B65D]
4412975 Fired process heaterExpiredDec 17, 81Nov 01, 83[B01J]
4372604 Stowable armrest table assemblyExpiredOct 06, 80Feb 08, 83[A47B]
4368673 Distribution means for partition sheet assemblyExpiredApr 24, 81Jan 18, 83[B61D]
4363578 Cushioned low profile trailerExpiredDec 12, 80Dec 14, 82[B62D]
4359002 Railway car corner postExpiredAug 22, 80Nov 16, 82[B62D, B61D]
4359003 Railway car center fillerExpiredOct 27, 80Nov 16, 82[B61F]
4353314 Box car corner post arrangementExpiredAug 22, 80Oct 12, 82[B61D]
4348910 Sponge iron products sampling deviceExpiredMar 13, 81Sep 14, 82[G01N]
4346060 Radial ammonia convertersExpiredMar 27, 80Aug 24, 82[C01C]
4343771 Horizontal cross-flow scrubberExpiredDec 04, 80Aug 10, 82[B01J, B01D]
4339222 Door locking mechanism for hopper car doorsExpiredOct 31, 80Jul 13, 82[B61D]
4337708 Railway car superstructure frameExpiredApr 11, 80Jul 06, 82[B23P, B23K, B61D]
4335988 Trackside cam centering arrangementExpiredJun 26, 80Jun 22, 82[B61D]
4334481 Fatigue resistant partition sheet assemblyExpiredApr 28, 80Jun 15, 82[B61D]
4324189 Car end foldable doors locking deviceExpiredMar 17, 80Apr 13, 82[B61D, E05C, B60P, E05D]
4324649 Fired process heaterExpiredJul 08, 80Apr 13, 82[C10G]
4319528 Railway passenger car interior paneling and finish assemblyExpiredNov 13, 78Mar 16, 82[B61D]
4318347 Shiftable particle spheroidal side bearingExpiredJan 30, 80Mar 09, 82[B60G, B61F]
4318349 Railway car end doorsExpiredJan 14, 80Mar 09, 82[B60J, B61D]

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