TREA

with dissimilar tooth forms

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Industry

  • CPC
  • F04C2/20
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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

F04C2/20with dissimilar tooth forms
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump system
    • Patent number 12,129,849
    • Issue date Oct 29, 2024
    • Laverne Schumann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump system
    • Patent number 11,493,037
    • Issue date Nov 8, 2022
    • Laverne Schumann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High volume pump system
    • Patent number 11,365,732
    • Issue date Jun 21, 2022
    • Laverne Schumann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    External gear pump
    • Patent number 10,989,190
    • Issue date Apr 27, 2021
    • Audi AG
    • Simon Ochsenkühn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement gear pump
    • Patent number 9,752,580
    • Issue date Sep 5, 2017
    • G.P.S. GREEN POWER SOLUTION SA
    • Franco Tommasini
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump
    • Patent number 8,118,579
    • Issue date Feb 21, 2012
    • M&M Technologies, Inc.
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump with unequal gear teeth on drive and driven gear
    • Patent number 8,087,913
    • Issue date Jan 3, 2012
    • Hamilton Sundstrand Corporation
    • Steven A. Heitz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump
    • Patent number 7,479,000
    • Issue date Jan 20, 2009
    • M&M Technologies, Inc.
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump
    • Patent number 7,014,436
    • Issue date Mar 21, 2006
    • M&M Technologies, Inc.
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary positive-displacement scavenging device for rotary vane pump...
    • Patent number 6,244,240
    • Issue date Jun 12, 2001
    • Mallen Research Limited Partnership
    • Brian D. Mallen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    External gear pump with drive gear seal
    • Patent number 6,171,089
    • Issue date Jan 9, 2001
    • Parker-Hannifin Corporation
    • Robert E. Oehman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cavitation-free gear pump
    • Patent number 6,123,533
    • Issue date Sep 26, 2000
    • Dana Corporation
    • James R. McBurnett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cam-gear pump-compressor apparatus
    • Patent number 5,246,358
    • Issue date Sep 21, 1993
    • Inhoy Gu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roller-vane hydraulic machine
    • Patent number 5,071,330
    • Issue date Dec 10, 1991
    • Viktor V. Domogatsky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump
    • Patent number 4,772,187
    • Issue date Sep 20, 1988
    • George A. Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Drive transmission means
    • Patent number 4,493,188
    • Issue date Jan 15, 1985
    • Mervyn R. Marsh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3601514
    • Patent number 3,601,514
    • Issue date Aug 24, 1971
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3444819
    • Patent number 3,444,819
    • Issue date May 20, 1969
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3426694
    • Patent number 3,426,694
    • Issue date Feb 11, 1969
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3416458
    • Patent number 3,416,458
    • Issue date Dec 17, 1968
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3050009
    • Patent number 3,050,009
    • Issue date Aug 21, 1962
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2910948
    • Patent number 2,910,948
    • Issue date Nov 3, 1959
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2845873
    • Patent number 2,845,873
    • Issue date Aug 5, 1958
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2751846
    • Patent number 2,751,846
    • Issue date Jun 26, 1956
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2728299
    • Patent number 2,728,299
    • Issue date Dec 27, 1955
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2694982
    • Patent number 2,694,982
    • Issue date Nov 23, 1954
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2464481
    • Patent number 2,464,481
    • Issue date Mar 15, 1949
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2309443
    • Patent number 2,309,443
    • Issue date Jan 26, 1943
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2277661
    • Patent number 2,277,661
    • Issue date Mar 31, 1942
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1902347
    • Patent number 1,902,347
    • Issue date Mar 21, 1933
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pump System
    • Publication number 20230080102
    • Publication date Mar 16, 2023
    • Laverne Schumann
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    EXTERNAL GEAR PUMP
    • Publication number 20180347561
    • Publication date Dec 6, 2018
    • Audi AG
    • Simon OCHSENKÜHN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Toothed-Lobed Gear Pump
    • Publication number 20140271313
    • Publication date Sep 18, 2014
    • William D. Flavelle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20140161655
    • Publication date Jun 12, 2014
    • Edward L. SIMONDS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP WITH UNEQUAL GEAR TEETH ON DRIVE AND DRIVEN GEAR
    • Publication number 20100158738
    • Publication date Jun 24, 2010
    • Steven A. Heitz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear pump
    • Publication number 20090123316
    • Publication date May 14, 2009
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear pump
    • Publication number 20060204394
    • Publication date Sep 14, 2006
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP
    • Publication number 20050276714
    • Publication date Dec 15, 2005
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...