TREA

with a crescent shaped filler element located between the intermeshing elements

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  • CPC
  • F01C1/102
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES F01C1/00Rotary-piston machines or engines

Current Industry

F01C1/102with a crescent shaped filler element located between the intermeshing elements
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Internal gear pump with improved communication between inlet and id...
    • Patent number 9,683,564
    • Issue date Jun 20, 2017
    • Viking Pump, Inc.
    • Scott M. Meyer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal gear pump with axial disk and intermediate piece
    • Patent number 9,303,643
    • Issue date Apr 5, 2016
    • Robert Bosch GmbH
    • Rene Schepp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial disc and gear pump with axial disc
    • Patent number 9,115,717
    • Issue date Aug 25, 2015
    • Robert Bosch GmbH
    • Oliver Gaertner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear pump having an internally toothed ring gear supported...
    • Patent number 9,068,569
    • Issue date Jun 30, 2015
    • Robert Bosch GmbH
    • Harald Speer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear pump having a lubricant feed from the suction region
    • Patent number 9,039,398
    • Issue date May 26, 2015
    • Robert Bosch GmbH
    • Rene Schepp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Energy transfer machine with inner rotor
    • Patent number 8,011,345
    • Issue date Sep 6, 2011
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Energy transfer machine
    • Patent number 7,954,470
    • Issue date Jun 7, 2011
    • Concept Solutions, Inc.
    • James Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Energy transfer machine with inner rotor
    • Patent number 7,503,307
    • Issue date Mar 17, 2009
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Energy transfer machine
    • Patent number 7,472,677
    • Issue date Jan 6, 2009
    • Concept Solutions, Inc.
    • James Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary positive displacement device
    • Patent number 7,111,606
    • Issue date Sep 26, 2006
    • James B. Klassen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine and thermal cycle
    • Patent number 6,782,866
    • Issue date Aug 31, 2004
    • Saddlerock Technologies LLC
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear and a fluid machine with a pair of gears
    • Patent number 6,709,250
    • Issue date Mar 23, 2004
    • Wei Xiong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston cylinder device with radially extending cylinder cham...
    • Patent number 6,692,237
    • Issue date Feb 17, 2004
    • Kabushiki Kaisha Sankyo Seiki Seisakusho
    • Fumito Komatsu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine and thermal cycle
    • Patent number 6,684,825
    • Issue date Feb 3, 2004
    • Saddle Rock Technologies, LLC
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine and thermal cycle
    • Patent number 6,672,275
    • Issue date Jan 6, 2004
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine and thermal cycle
    • Patent number 6,484,687
    • Issue date Nov 26, 2002
    • Saddle Rock Technologies LLC
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotating type intake and discharge apparatus
    • Patent number 4,909,715
    • Issue date Mar 20, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Akira Takami
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Planetary air motor with two internal gearings
    • Patent number 4,076,470
    • Issue date Feb 28, 1978
    • Mikhail Danilovich Sur
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3907470
    • Patent number 3,907,470
    • Issue date Sep 23, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3877442
    • Patent number 3,877,442
    • Issue date Apr 15, 1975
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3850150
    • Patent number 3,850,150
    • Issue date Nov 26, 1974
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3836292
    • Patent number 3,836,292
    • Issue date Sep 17, 1974
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3810721
    • Patent number 3,810,721
    • Issue date May 14, 1974
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3758244
    • Patent number 3,758,244
    • Issue date Sep 11, 1973
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3367239
    • Patent number 3,367,239
    • Issue date Feb 6, 1968
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2132813
    • Patent number 2,132,813
    • Issue date Oct 11, 1938
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1795040
    • Patent number 1,795,040
    • Issue date Mar 3, 1931
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    1496737
    • Patent number 1,496,737
    • Issue date Jun 3, 1924
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Internal Gear Pump
    • Publication number 20140271311
    • Publication date Sep 18, 2014
    • ROBERT BOSCH GmbH
    • Rene Schepp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP, ESPECIALLY FOR A VEHICLE HYDRAULIC BRAKE SYSTEM
    • Publication number 20140086778
    • Publication date Mar 27, 2014
    • ROBERT BOSCH GmbH
    • Harald Speer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial Disc and Gear Pump with Axial Disc
    • Publication number 20140010696
    • Publication date Jan 9, 2014
    • ROBERT BOSCH GmbH
    • Oliver Gaertner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20130330223
    • Publication date Dec 12, 2013
    • ROBERT BOSCH GmbH
    • Rene Schepp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ENERGY TRANSFER MACHINE WITH INNER ROTOR
    • Publication number 20090159040
    • Publication date Jun 25, 2009
    • JAMES B. KLASSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENERGY TRANSFER MACHINE
    • Publication number 20090078231
    • Publication date Mar 26, 2009
    • JAMES B. KLASSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENERGY TRANSFER MACHINE WITH INNER ROTOR
    • Publication number 20070295301
    • Publication date Dec 27, 2007
    • JAMES B. KLASSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENERGY TRANSFER MACHINE
    • Publication number 20070251491
    • Publication date Nov 1, 2007
    • JAMES B. KLASSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20050284440
    • Publication date Dec 29, 2005
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20050109310
    • Publication date May 26, 2005
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20040187839
    • Publication date Sep 30, 2004
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20040159306
    • Publication date Aug 19, 2004
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary positive displacement device
    • Publication number 20030209221
    • Publication date Nov 13, 2003
    • James B. Klassen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20030116119
    • Publication date Jun 26, 2003
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20030097831
    • Publication date May 29, 2003
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary machine and thermal cycle
    • Publication number 20030084657
    • Publication date May 8, 2003
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY MACHINE AND THERMAL CYCLE
    • Publication number 20020179036
    • Publication date Dec 5, 2002
    • Ronnie J. Duncan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Two-dimensional positive rotary displacement engine
    • Publication number 20020157636
    • Publication date Oct 31, 2002
    • James B. Klassen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES