TREA

with toothed rotary pistons

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Industry

  • CPC
  • F04C18/14
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C18/00Rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C18/14with toothed rotary pistons
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas compressor
    • Patent number 12,146,481
    • Issue date Nov 19, 2024
    • Hitachi, Ltd.
    • Ryota Iijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage pump body and multistage gas pump
    • Patent number 12,116,895
    • Issue date Oct 15, 2024
    • Ateliers Busch SA
    • Théodore Iltchev
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw compressor and screw rotor
    • Patent number 12,031,536
    • Issue date Jul 9, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takeshi Tsuchiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil box device of a roots vacuum pump with a crossed cooling water...
    • Patent number 12,018,681
    • Issue date Jun 25, 2024
    • ELIVAC Inc.
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    EGR pump system and control method of EGR pump
    • Patent number 12,006,896
    • Issue date Jun 11, 2024
    • Eaton Intelligent Power Limited
    • Douglas Anthony Hughes
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Roots pump containing rotors that capture and discharge a foreign s...
    • Patent number 11,976,656
    • Issue date May 7, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masaya Yoshida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    EGR pump system and control method of EGR pump
    • Patent number 11,668,269
    • Issue date Jun 6, 2023
    • EATON INTELLIGENT POWER LIMITED
    • Douglas Anthony Hughes
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Magnetically controlled valve and pump devices and methods of using...
    • Patent number 10,400,915
    • Issue date Sep 3, 2019
    • Triad National Security, LLC
    • Pulak Nath
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gear pump with end plates or bearings having spiral grooves
    • Patent number 10,323,636
    • Issue date Jun 18, 2019
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Justin A. Craig
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gear pump
    • Patent number 9,644,627
    • Issue date May 9, 2017
    • Hitachi, Ltd.
    • Takahiro Ito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump drive gear stationary bearing
    • Patent number 9,488,173
    • Issue date Nov 8, 2016
    • Hamilton Sundstrand Corporation
    • Brandon T. Kovach
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Combustion engine with feedback gear/rotary pump input
    • Patent number 8,555,611
    • Issue date Oct 15, 2013
    • Arthur Vanmoor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Thermodynamic systems including gear type machines for compression...
    • Patent number 5,394,709
    • Issue date Mar 7, 1995
    • Sinvent A/S
    • Gustav Lorentzen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3578890
    • Patent number 3,578,890
    • Issue date May 18, 1971
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2146395
    • Patent number 2,146,395
    • Issue date Feb 7, 1939
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    1424312
    • Patent number 1,424,312
    • Issue date Aug 1, 1922
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    EGR PUMP SYSTEM AND CONTROL METHOD OF EGR PUMP
    • Publication number 20230374958
    • Publication date Nov 23, 2023
    • Eaton Intelligent Power Limited
    • Douglas Anthony Hughes
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20230366400
    • Publication date Nov 16, 2023
    • Hitachi, Ltd
    • Ryota IIJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE PUMP BODY AND MULTISTAGE GAS PUMP
    • Publication number 20220127962
    • Publication date Apr 28, 2022
    • ATELIERS BUSCH SA
    • Théodore Iltchev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid-Cooled Type Compressor
    • Publication number 20210190060
    • Publication date Jun 24, 2021
    • Hitachi, Ltd
    • Masanao KOTANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EGR PUMP SYSTEM AND CONTROL METHOD OF EGR PUMP
    • Publication number 20210071667
    • Publication date Mar 11, 2021
    • Eaton Intelligent Power Limited
    • Douglas Anthony Hughes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EGR PUMP SYSTEM AND CONTROL METHOD OF EGR PUMP
    • Publication number 20210071664
    • Publication date Mar 11, 2021
    • Eaton Intelligent Power Limited
    • Douglas Anthony Hughes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20200040896
    • Publication date Feb 6, 2020
    • Mayekawa Mfg. Co., Ltd.
    • Yasuaki ENDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR ASSEMBLIES HAVING RADIAL DEFORMATION CONTROL MEMBERS
    • Publication number 20180230994
    • Publication date Aug 16, 2018
    • PEOPLEFLO MANUFACTURING, INC.
    • William R. Blankemeier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump
    • Publication number 20170335846
    • Publication date Nov 23, 2017
    • JTEKT Corporation
    • Naohito YOSHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MAGNETICALLY CONTROLLED VALVE AND PUMP DEVICES AND METHODS OF USING...
    • Publication number 20170298966
    • Publication date Oct 19, 2017
    • LOS ALAMOS NATIONAL SECURITY, LLC
    • Pulak Nath
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP WITH END PLATES OR BEARINGS HAVING SPIRAL GROOVES
    • Publication number 20170175736
    • Publication date Jun 22, 2017
    • IMO INDUSTRIES, INC.
    • Justin A. Craig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSION REFRIGERATION MACHINE HAVING A SPINDLE COMPRESSOR
    • Publication number 20170089342
    • Publication date Mar 30, 2017
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH A CLOSED LOOP WATER COOLING SYSTEM
    • Publication number 20160186757
    • Publication date Jun 30, 2016
    • Ingersoll-Rand Company
    • James Christopher Collins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP
    • Publication number 20160108914
    • Publication date Apr 21, 2016
    • JOHNSON ELECTRIC S.A.
    • Mohanlal RAMADOSS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP DRIVE GEAR STATIONARY BEARING
    • Publication number 20160032922
    • Publication date Feb 4, 2016
    • HAMILTON SUNDSTRAND CORPORATION
    • Brandon T. Kovach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump
    • Publication number 20150337836
    • Publication date Nov 26, 2015
    • Hitachi, Ltd
    • Takahiro ITO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPINDLE COMPRESSOR
    • Publication number 20150118093
    • Publication date Apr 30, 2015
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Combustion engine with feedback gear/rotary pump input
    • Publication number 20090165441
    • Publication date Jul 2, 2009
    • Arthur Vanmoor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...