WARREN ENGINE COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 468
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 324
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 336
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 253
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 127
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 172
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153
 
  
 
H01T SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES 125

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9869244 Ignition source adapted for positioning within a combustion chamberNov 07, 08Jan 16, 18[F02P, H01T, F02B]
9708910 Inwardly opposed pistons, fixed position common cylinder engine with external inductionSep 08, 11Jul 18, 17[F02B, F01B]
9708976 Opposed piston engine and elements thereofOct 01, 12Jul 18, 17[F02B, F01B]
9249693 Opposed piston diesel engineDec 22, 09Feb 02, 16[F01L, F02B]
8113164 Ignition source adapted for positioning within a combustion chamberOct 24, 08Feb 14, 12[F02P]
7779795 Valve system for opposed piston enginesJan 09, 08Aug 24, 10[F01L, F02N, F01B]
7448352 Centrally located ignition source in a combustion chamberOct 30, 06Nov 11, 08[F02P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7004120 Opposed piston engineExpiredMay 10, 04Feb 28, 06[F02B]

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