Tour Engine, 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 666
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 253
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 126
 
  
 
F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES 139
 
  
 
F02G HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS 122
 
  
 
F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES 138

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9689307 Crossover valve in double piston cycle engineAug 03, 15Jun 27, 17[F02B]
9435233 Spool shuttle crossover valve in split-cycle engineJul 17, 14Sep 06, 16[F01L, F02B]
9097178 Crossover valve in double piston cycle engineNov 30, 12Aug 04, 15[F02B]
8584629 Interstage valve in double piston cycle engineJan 25, 10Nov 19, 13[F02B]
7516723 Double piston cycle engineFeb 29, 08Apr 14, 09[F02B, F01B]
7383797 Double piston cycle engineMar 09, 06Jun 10, 08[]
7273023 Steam enhanced double piston cycle engineApr 18, 06Sep 25, 07[F02B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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