TREA

having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members

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Industry

  • CPC
  • F04C2/30
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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 F04C2/00Rotary-piston machines or pumps

Current Industry

F04C2/30having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-chamber compressor of mechanical vapor re-compression and wat...
    • Patent number 11,691,895
    • Issue date Jul 4, 2023
    • Emmanuil Dermitzakis
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Rotary pump comprising a lubricating groove in the sealing stay
    • Patent number 10,578,101
    • Issue date Mar 3, 2020
    • Schwabische Huttenwerke Automotive GmbH
    • Michael Ehringer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for metering a liquid additive for a selective catalytic reduc...
    • Patent number 10,054,116
    • Issue date Aug 21, 2018
    • Continental Automotive GmbH
    • Rolf Brück
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic motor assembly
    • Patent number 9,879,671
    • Issue date Jan 30, 2018
    • Hydro-Gear Limited Partnership
    • Michael W. Taylor
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing device for a cam ring of a variable displacement pump
    • Patent number 9,534,598
    • Issue date Jan 3, 2017
    • Magna Powertrain Bad Homburg GmbH
    • Thilo Mauser
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump having a cold starting device
    • Patent number 9,366,252
    • Issue date Jun 14, 2016
    • Magna Powertrain Bad Homburg GmbH
    • Ludger Holtmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electro-rheological transducer
    • Patent number 4,493,615
    • Issue date Jan 15, 1985
    • National Research Development Corp.
    • James E. Stangroom
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3194163
    • Patent number 3,194,163
    • Issue date Jul 13, 1965
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2606499
    • Patent number 2,606,499
    • Issue date Aug 12, 1952
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    15059
    • Patent number 15,059
    • Issue date Jun 10, 1856
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    HERMETIC COMPRESSOR WITH OIL BLOCKING GUIDE
    • Publication number 20240077077
    • Publication date Mar 7, 2024
    • Samsung Electronics Co., LTD
    • Joonhyung KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Micro-Sized Fluid Metering Pump
    • Publication number 20170350390
    • Publication date Dec 7, 2017
    • Robert C. Kennedy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Remote air supply
    • Publication number 20160153451
    • Publication date Jun 2, 2016
    • Marty Ingram
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Micro-Sized Fluid Metering Pump
    • Publication number 20150211515
    • Publication date Jul 30, 2015
    • Robert C. Kennedy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20150010419
    • Publication date Jan 8, 2015
    • Magna Powertrain Bad Homburg GmbH
    • Ludger Holtmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20140341768
    • Publication date Nov 20, 2014
    • Thilo Mauser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20130183181
    • Publication date Jul 18, 2013
    • Samsung Electronics Co., Ltd.
    • Bum Joon BAE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MICRO-SIZED FLUID METERING PUMP
    • Publication number 20130089437
    • Publication date Apr 11, 2013
    • Robert C. Kennedy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...