TREA

with differential piston

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Industry

  • CPC
  • F01B7/18
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01BMACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE F01B7/00Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders

Current Industry

F01B7/18with differential piston
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Piston in piston variable displacement hydraulic device
    • Patent number 11,994,121
    • Issue date May 28, 2024
    • Tonand Inc.
    • Antonio Cannata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Piston type internal combustion engine
    • Patent number 9,255,544
    • Issue date Feb 9, 2016
    • Nobuya Takahara
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Piston and use therefor
    • Patent number 8,555,828
    • Issue date Oct 15, 2013
    • Leslie Malcolm Jones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal combustion engine
    • Patent number 7,905,221
    • Issue date Mar 15, 2011
    • Reijo K. Salminen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable-displacement piston-cylinder device
    • Patent number 7,779,627
    • Issue date Aug 24, 2010
    • James D. Ries
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion engine
    • Patent number 7,634,988
    • Issue date Dec 22, 2009
    • Reijo K. Salminen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion barrel engine
    • Patent number 7,509,930
    • Issue date Mar 31, 2009
    • Stephen duPont
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid transfer in reciprocating devices
    • Patent number 7,438,027
    • Issue date Oct 21, 2008
    • Mitja V. Hinderks
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Dual head piston engine
    • Patent number 7,412,949
    • Issue date Aug 19, 2008
    • James A. Cillessen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cyclic hydraulic actuator
    • Patent number 5,222,425
    • Issue date Jun 29, 1993
    • Novatek Drills (Proprietary) Limited
    • Michael R. Davies
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Internal combustion engine
    • Patent number 5,213,067
    • Issue date May 25, 1993
    • Louis E. Kramer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Automatically sequenced hydraulic cylinder mechanism
    • Patent number 5,188,015
    • Issue date Feb 23, 1993
    • Kelley Company, Inc.
    • Martin P. Hageman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Stepped piston and stepped piston engine
    • Patent number 4,522,163
    • Issue date Jun 11, 1985
    • Bernard Hooper
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3641878
    • Patent number 3,641,878
    • Issue date Feb 15, 1972
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3107622
    • Patent number 3,107,622
    • Issue date Oct 22, 1963
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3010641
    • Patent number 3,010,641
    • Issue date Nov 28, 1961
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2079156
    • Patent number 2,079,156
    • Issue date May 4, 1937
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    1968694
    • Patent number 1,968,694
    • Issue date Jul 31, 1934
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1723865
    • Patent number 1,723,865
    • Issue date Aug 6, 1929
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON AND USE THEREFOR
    • Publication number 20120227708
    • Publication date Sep 13, 2012
    • Leslie Malcolm Jones
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE-DISPLACEMENT PISTON-CYLINDER DEVICE
    • Publication number 20100192764
    • Publication date Aug 5, 2010
    • James D. Ries
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE
    • Publication number 20100095927
    • Publication date Apr 22, 2010
    • Reijo K. Salminen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Drive device using charged air pressure
    • Publication number 20090249775
    • Publication date Oct 8, 2009
    • Eizaburo Murakami
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Internal combustion barrel engine
    • Publication number 20080271715
    • Publication date Nov 6, 2008
    • Stephen duPont
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES