GUNDERSON LLC

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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 396
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 335
 
  
 
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 220
 
  
 
A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 151
 
  
 
B01D SEPARATION 1133
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 122
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
B61H BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES 115
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9694828 Operating mechanism for tank car bottom valveMay 22, 15Jul 04, 17[F16K, B61D]
9376124 Protective structure for tank top fittingsOct 05, 15Jun 28, 16[B61D, B65D]
9358987 Protective structure for tank top fittingsFeb 18, 15Jun 07, 16[B23K, B61D, B65D]
9352978 Treatment of storm waterMay 29, 14May 31, 16[C02F, E03F, B01D]
9296398 Protective structure for top of tank carNov 20, 13Mar 29, 16[B61D, B65D]
9180893 Protective structure for tank top fittingsApr 11, 14Nov 10, 15[B61D, B65D]
9174656 Insulative railway boxcarSep 23, 05Nov 03, 15[B61D, B60P]
9061687 Railroad car for carrying motor vehiclesFeb 22, 13Jun 23, 15[B61D]
8371544 Pipe anchor for railroad carAug 19, 10Feb 12, 13[A47B]
8291592 Method of lengthening a container well of a railcarMar 17, 10Oct 23, 12[B21K, B61D, B21D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0284,012 Railroad Car for Carrying Motor VehiclesAbandonedJun 19, 15Oct 08, 15[B61D]
2014/0261,071 Railroad Car with Reinforced End DoorsAbandonedMar 12, 14Sep 18, 14[B61D]
2009/0107,358 Temperature-controlled railroad freight carAbandonedMay 13, 04Apr 30, 09[B61D]
2008/0202,869 Handbrake linkage for a railroad freight carAbandonedFeb 21, 08Aug 28, 08[B61H, G05G]
2008/0141,897 Energy absorber for counterbalance mechanismAbandonedOct 30, 06Jun 19, 08[B61D]
2007/0227,395 AUTO RACK RAIL CAR WITH STEPPED BOTTOM CHORD AND OFFSET BODY BOLSTERAbandonedApr 02, 07Oct 04, 07[B61D]
2006/0219,129 Counterbalanced deck for railroad freight carAbandonedMar 20, 06Oct 05, 06[B61D]
6546878 Multi-unit railroad freight car for carrying cargo containersExpiredOct 12, 01Apr 15, 03[B61D]
RE34040 Handbrake operating linkage for multi-unit rail carsExpiredOct 13, 89Aug 25, 92[B61H]
5054403 Railroad freight car with well for stacked cargo containersExpiredDec 15, 89Oct 08, 91[B61D]
4930426 Device for changing the effective width of a container well of a freight carExpiredNov 30, 88Jun 05, 90[B61D, B60P]
4905795 Handbrake operating linkage for multi-unit rail carsExpiredJan 25, 89Mar 06, 90[B61H]
4893567 Railroad freight car with well for stacked cargo containersExpiredAug 18, 88Jan 16, 90[B61D]

Top Inventors for This Owner

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