TREA

of intermeshing engagement type

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Industry

  • CPC
  • F04C3/04
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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 F04C3/00Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members

Current Industry

F04C3/04of intermeshing engagement type
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump with high torque drive
    • Patent number 11,473,576
    • Issue date Oct 18, 2022
    • Graco Minnesota Inc.
    • Jeremy Scott Reynolds
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial flow fan with high temperature resistance for ship desulfuriz...
    • Patent number 11,261,874
    • Issue date Mar 1, 2022
    • Shandong Pure Ocean Technology Co., Ltd
    • Xiaotian Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with high torque drive
    • Patent number 11,193,486
    • Issue date Dec 7, 2021
    • Graco Minnesota Inc.
    • Jeremy Scott Reynolds
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary piston and cylinder devices
    • Patent number 11,008,865
    • Issue date May 18, 2021
    • LONTRA LIMITED
    • Stephen Francis Lindsey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston and cylinder devices
    • Patent number 10,662,775
    • Issue date May 26, 2020
    • LONTRA LIMITED
    • Stephen Francis Lindsey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotor mechanism
    • Patent number 9,714,573
    • Issue date Jul 25, 2017
    • ROTOMOTOR LIMITED
    • Jonathan Roy Graham Marsh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Extruder with gear pump
    • Patent number 7,607,818
    • Issue date Oct 27, 2009
    • VMI - AZ Extrusion GmbH
    • Reinhard Uphus
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw pump having eccentric circular sealing discs
    • Patent number 5,395,225
    • Issue date Mar 7, 1995
    • Anders Johansson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Worm pump for thick media and/or media containing lumps, e.g. meat
    • Patent number 5,364,251
    • Issue date Nov 15, 1994
    • Simo Industries A/S
    • Knud Simonsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw pump
    • Patent number 5,102,294
    • Issue date Apr 7, 1992
    • Hayashi Seiko Co., Ltd.
    • Akira Hayashi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Screw pump
    • Patent number 4,772,177
    • Issue date Sep 20, 1988
    • Hayashi Seiko Co. Ltd.
    • Akira Hayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement meshing screw machine
    • Patent number 4,470,781
    • Issue date Sep 11, 1984
    • Bernard Zimmern
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid rotating machines with spiral-like passages and vane wheels
    • Patent number 4,061,449
    • Issue date Dec 6, 1977
    • Eugeniusz M. Rylewski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotative machine for fluids with spiral-like passages and vane wheels
    • Patent number 4,021,165
    • Issue date May 3, 1977
    • Eugeniusz M. Rylewski
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3746482
    • Patent number 3,746,482
    • Issue date Jul 17, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3708249
    • Patent number 3,708,249
    • Issue date Jan 2, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3632239
    • Patent number 3,632,239
    • Issue date Jan 4, 1972
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3182600
    • Patent number 3,182,600
    • Issue date May 11, 1965
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3152550
    • Patent number 3,152,550
    • Issue date Oct 13, 1964
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3054356
    • Patent number 3,054,356
    • Issue date Sep 18, 1962
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2994276
    • Patent number 2,994,276
    • Issue date Aug 1, 1961
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2418209
    • Patent number 2,418,209
    • Issue date Apr 1, 1947
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    2058230
    • Patent number 2,058,230
    • Issue date Oct 20, 1936
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1791047
    • Patent number 1,791,047
    • Issue date Feb 3, 1931
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1723157
    • Patent number 1,723,157
    • Issue date Aug 6, 1929
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1670681
    • Patent number 1,670,681
    • Issue date May 22, 1928
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1654048
    • Patent number 1,654,048
    • Issue date Dec 27, 1927
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1437464
    • Patent number 1,437,464
    • Issue date Dec 5, 1922
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PUMP WITH HIGH TORQUE DRIVE
    • Publication number 20230019323
    • Publication date Jan 19, 2023
    • Graco Minnesota Inc.
    • Jeremy Scott Reynolds
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH HIGH TORQUE DRIVE
    • Publication number 20220056909
    • Publication date Feb 24, 2022
    • Graco Minnesota Inc.
    • Jeremy Scott Reynolds
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH HIGH TORQUE DRIVE
    • Publication number 20210301819
    • Publication date Sep 30, 2021
    • Graco Minnesota Inc.
    • Jeremy Scott Reynolds
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial Flow Fan with High Temperature Resistance for Ship Desulfuriz...
    • Publication number 20210148375
    • Publication date May 20, 2021
    • Shandong Pure Ocean Technology Co.,Ltd
    • Xiaotian WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Foldable Handheld Pump
    • Publication number 20200149529
    • Publication date May 14, 2020
    • Active Tools International (HK) Ltd
    • Koon Fung Lam
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ROTARY PISTON AND CYLINDER DEVICES
    • Publication number 20170211389
    • Publication date Jul 27, 2017
    • LONTRA LIMITED
    • Stephen Francis Lindsey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PISTON AND CYLINDER DEVICES
    • Publication number 20170204727
    • Publication date Jul 20, 2017
    • LONTRA LIMITED
    • Stephen Francis Lindsey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Extruder
    • Publication number 20080198687
    • Publication date Aug 21, 2008
    • Reinhard Uphus
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL