THERMAL POWER RECOVERY LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 622
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 324
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 352
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 369
 
  
 
F02G HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEMENT ENGINE PLANTS 221
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9828886 High efficiency steam engine and steam expanderMar 22, 16Nov 28, 17[F01K, F01L, F01B]
9784147 Fluid-electric actuated reciprocating piston engine valvesFeb 26, 16Oct 10, 17[F01L, F02B]
9316130 High efficiency steam engine, steam expander and improved valves thereforJun 26, 12Apr 19, 16[F01K, F01L, F01B]
8661817 High efficiency dual cycle internal combustion steam engine and methodJul 27, 10Mar 04, 14[F02G]
8448440 Method and apparatus for achieving higher thermal efficiency in a steam engine or steam expanderDec 02, 10May 28, 13[F01K, F02M, F15B, F02B, F01B]
8109097 High efficiency dual cycle internal combustion engine with steam power recovered from waste heatApr 28, 09Feb 07, 12[F01K, F02G]
8061140 High efficiency multicycle internal combustion engine with waste heat recoveryAug 12, 09Nov 22, 11[F01K, F02B, F02G]
7997080 Internal combustion engine with auxiliary steam power recovered from waste heatMar 07, 08Aug 16, 11[F01K, F02G]

Expired/Abandoned/Withdrawn Patents

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