CLEAN TRAIN PROPULSION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 568
 
  
 
B61C LOCOMOTIVES; MOTOR RAILCARS 412
 
  
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 323
 
  
 
B61H BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES 115
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 139
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 171
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9835066 Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed enginesSep 14, 15Dec 05, 17[F02M, F01N, F01P, F02B]
9751540 Hybrid systems for locomotivesSep 14, 15Sep 05, 17[B61H, F01N, B61C]
9752481 Locomotive and transit system efficiency and emissions improvementsAug 03, 15Sep 05, 17[F01N, B61C, B61D]
9200554 Hybrid systems for locomotivesMar 17, 14Dec 01, 15[F01N, B61C, B61D]
9097162 Locomotive and transit system efficiency and emissions improvementsMar 17, 14Aug 04, 15[F01N, B61C, B61D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0260,215 EFFICIENCY AND EMISSIONS IMPROVEMENTS FOR NATURAL GAS CONVERSIONS OF EMD 2-CYCLE MEDIUM SPEED ENGINESAbandonedMar 17, 14Sep 18, 14[F01N]

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