TREA

the distribution being realised by moving the cylinder itself

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  • F04B7/008
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B7/00Piston machines or pumps characterised by having positively-driven valving

Current Industry

F04B7/008the distribution being realised by moving the cylinder itself
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Through-hardened valve seat for hydraulic fracturing
    • Patent number 12,173,800
    • Issue date Dec 24, 2024
    • Alpha 3D LLC
    • Erik Rasmussen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Self-sealing pump and methods of manufacture and use thereof
    • Patent number 12,138,643
    • Issue date Nov 12, 2024
    • SUZHOU GERPMAN INDUSTRIAL CO., LTD.
    • Yu Yang
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Fluid end assembly
    • Patent number 12,135,024
    • Issue date Nov 5, 2024
    • Kerr Machine Co.
    • Christopher Todd Barnett
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid routing plug
    • Patent number 12,049,880
    • Issue date Jul 30, 2024
    • Kerr Machine Co.
    • Nicholas Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump with pressure relief path
    • Patent number 12,049,890
    • Issue date Jul 30, 2024
    • Fluid Metering, Inc.
    • Daniel Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure pump
    • Patent number 12,018,662
    • Issue date Jun 25, 2024
    • Kerr Machine Co.
    • John Keith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end
    • Patent number 12,012,955
    • Issue date Jun 18, 2024
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end
    • Patent number 12,012,954
    • Issue date Jun 18, 2024
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid routing plug
    • Patent number 11,920,587
    • Issue date Mar 5, 2024
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid routing plug
    • Patent number 11,859,601
    • Issue date Jan 2, 2024
    • Kerr Machine Co.
    • Nicholas Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid routing plug
    • Patent number 11,859,611
    • Issue date Jan 2, 2024
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    High pressure pump
    • Patent number 11,846,282
    • Issue date Dec 19, 2023
    • Kerr Machine Co.
    • Mark S. Nowell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid end assembly
    • Patent number 11,808,254
    • Issue date Nov 7, 2023
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Refrigerant compressor seal arrangements
    • Patent number 11,732,701
    • Issue date Aug 22, 2023
    • Danfoss A/S
    • Tianlei Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid routing plug
    • Patent number 11,686,296
    • Issue date Jun 27, 2023
    • Kerr Machine Co.
    • Nicholas Son
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid end
    • Patent number 11,644,018
    • Issue date May 9, 2023
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modular power end
    • Patent number 11,635,151
    • Issue date Apr 25, 2023
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid routing plug
    • Patent number 11,578,711
    • Issue date Feb 14, 2023
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end
    • Patent number 11,560,884
    • Issue date Jan 24, 2023
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end
    • Patent number 11,359,615
    • Issue date Jun 14, 2022
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High pressure pump
    • Patent number 11,346,339
    • Issue date May 31, 2022
    • Kerr Machine Co.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid routing plug
    • Patent number 11,300,111
    • Issue date Apr 12, 2022
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Modular power end
    • Patent number 11,208,996
    • Issue date Dec 28, 2021
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid end
    • Patent number 11,162,479
    • Issue date Nov 2, 2021
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Refrigerant compressor seal arrangements
    • Patent number 11,125,216
    • Issue date Sep 21, 2021
    • Danfoss A/S
    • Tianlei Li
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plunger pump having a rotatable plunger with cut face disposed in a...
    • Patent number 11,105,321
    • Issue date Aug 31, 2021
    • Iwaki Co., Ltd.
    • Mikio Mizukoshi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-material frac valve poppet
    • Patent number 10,808,851
    • Issue date Oct 20, 2020
    • Halliburton Energy Services, Inc.
    • Jim Basuki Surjaatmadja
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump-motor
    • Patent number 10,738,757
    • Issue date Aug 11, 2020
    • Regetns of the University of Minnesota
    • Michael Rannow
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Piston rod assembly of a hydraulic fluid pump
    • Patent number 10,724,635
    • Issue date Jul 28, 2020
    • GARDNER DENVER PETROLEUM PUMPS, LLC
    • Kyle Christopher Chady
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic system and method for providing fluid pressure to hydraul...
    • Patent number 10,683,858
    • Issue date Jun 16, 2020
    • Sergio Antonio Madruga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID ROUTING PLUG
    • Publication number 20240376875
    • Publication date Nov 14, 2024
    • KERR MACHINE CO.
    • Nicholas Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMP
    • Publication number 20240344506
    • Publication date Oct 17, 2024
    • KERR MACHINE CO.
    • John Keith
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID END
    • Publication number 20240328405
    • Publication date Oct 3, 2024
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END
    • Publication number 20240318643
    • Publication date Sep 26, 2024
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID ROUTING PLUG
    • Publication number 20240175430
    • Publication date May 30, 2024
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID ROUTING PLUG
    • Publication number 20240167463
    • Publication date May 23, 2024
    • KERR MACHINE CO.
    • Nicholas Son
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HIGH PRESSURE PUMP
    • Publication number 20240077076
    • Publication date Mar 7, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END ASSEMBLY
    • Publication number 20240068459
    • Publication date Feb 29, 2024
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID END ASSEMBLY
    • Publication number 20240068469
    • Publication date Feb 29, 2024
    • KERR MACHINE CO.
    • Christopher Todd Barnett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID ROUTING PLUG
    • Publication number 20230332584
    • Publication date Oct 19, 2023
    • KERR MACHINE CO.
    • Nicholas Son
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END
    • Publication number 20230272786
    • Publication date Aug 31, 2023
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID ROUTING PLUG
    • Publication number 20230193887
    • Publication date Jun 22, 2023
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END
    • Publication number 20230160382
    • Publication date May 25, 2023
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP WITH PRESSURE RELIEF PATH
    • Publication number 20230141287
    • Publication date May 11, 2023
    • FLUID METERING, INC.
    • Daniel LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-SEALING PUMP AND METHODS OF MANUFACTURE AND USE THEREOF
    • Publication number 20230131081
    • Publication date Apr 27, 2023
    • Suzhou Gerpman Industrial Co., Ltd.
    • Yu Yang
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    MODULAR POWER END
    • Publication number 20230050603
    • Publication date Feb 16, 2023
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLUID END ASSEMBLY
    • Publication number 20230022890
    • Publication date Jan 26, 2023
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMP
    • Publication number 20230012666
    • Publication date Jan 19, 2023
    • KERR MACHINE CO.
    • John Keith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END ASSEMBLY
    • Publication number 20220397107
    • Publication date Dec 15, 2022
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMP
    • Publication number 20220389916
    • Publication date Dec 8, 2022
    • KERR MACHINE CO.
    • John Keith
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID ROUTING PLUG
    • Publication number 20220381234
    • Publication date Dec 1, 2022
    • KERR MACHINE CO.
    • Nicholas Son
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID END
    • Publication number 20220307486
    • Publication date Sep 29, 2022
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID ROUTING PLUG
    • Publication number 20220282717
    • Publication date Sep 8, 2022
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HIGH PRESSURE PUMP
    • Publication number 20220282725
    • Publication date Sep 8, 2022
    • KERR MACHINE CO.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID ROUTING PLUG
    • Publication number 20220235751
    • Publication date Jul 28, 2022
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MODULAR POWER END
    • Publication number 20220163034
    • Publication date May 26, 2022
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Fluid End
    • Publication number 20220099073
    • Publication date Mar 31, 2022
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Fluid End
    • Publication number 20220049686
    • Publication date Feb 17, 2022
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    REFRIGERANT COMPRESSOR SEAL ARRANGEMENTS
    • Publication number 20210372382
    • Publication date Dec 2, 2021
    • Danfoss A/S
    • Tianlei Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMATIC DETERMINATION OF PUMPING METHODS
    • Publication number 20210172301
    • Publication date Jun 10, 2021
    • Baker Hughes Oilfield Operations LLC
    • Rawshan Monier Abdeldaim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...