GENERAL ELECTRIC RAILCAR LEASING SERVICES CORPORATION

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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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5218911 Split skid protection casting and insert adapter for replacement outlet valve of a tank carAug 15, 91Jun 15, 93[B61D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5181474 Wood chip railway car constructed by converting a standard box car and method of conversionExpiredApr 29, 91Jan 26, 93[B61D]
4948185 Hatch cover assemblyExpiredAug 21, 89Aug 14, 90[E05C]
4941695 Hatch cover assemblyExpiredMay 18, 89Jul 17, 90[E05C]
4896590 Railroad hopper car ventExpiredMar 22, 89Jan 30, 90[B60H]
4765517 Valve arrangement with retainer bracket, for hopper car outlet gateExpiredMar 20, 86Aug 23, 88[B61D, B65D]
4745947 Steam jacketed outlet reducer nozzleExpiredOct 31, 86May 24, 88[F16K]
4697528 Railway tank car with protective device for protrusionExpiredApr 18, 86Oct 06, 87[F16K, B61D]
4696088 Method of converting a hopper type of rail car to accept a wider output gateExpiredOct 17, 86Sep 29, 87[B21K]
4696237 Multiple hopper rail car with offset vertical weld from conversionExpiredFeb 11, 86Sep 29, 87[B61F, B61D]
4695207 Pneumatic gate operator and outlet capExpiredJul 18, 85Sep 22, 87[B65G]
4690070 Hatch cover structureExpiredJan 15, 86Sep 01, 87[B61D, B65D]
4655365 Hatch cover lockExpiredDec 07, 84Apr 07, 87[E05B, B65D]
4317532 Pneumatic discharge arrangementExpiredOct 29, 79Mar 02, 82[B65D]
4301742 Partition sheet to side sheet connection for covered hopper carsExpiredFeb 04, 80Nov 24, 81[B61D]
4269220 Tank valve mounting arrangementExpiredSep 12, 79May 26, 81[F16K]
4239424 Method and apparatus for distribution of granular material in a railway hopper carExpiredJul 25, 79Dec 16, 80[B65G]
4183370 Pressure relief valveExpiredSep 01, 78Jan 15, 80[F16K]

Top Inventors for This Owner

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