with an actuating or actuated element at the inner ends of the cylinders

Patents Grantslast 30 patents

  • 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 end assembly

    • Patent number 12,092,087
    • Issue date Sep 17, 2024
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump comprising balls for displacement of fluid

    • Patent number 12,085,065
    • Issue date Sep 10, 2024
    • Golden Bear LLC
    • Joshua Robert Sikora
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liner for frac pump suction manifold

    • Patent number 12,066,113
    • Issue date Aug 20, 2024
    • BJ Energy Solutions, LLC
    • Tony Yeung
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Four-quadrant radial piston hydraulic device and working method the...

    • Patent number 12,055,124
    • Issue date Aug 6, 2024
    • HUAQIAO UNIVERSITY
    • Tong Guo
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • 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

    Cover, fluid end and plunger pump

    • Patent number 12,044,234
    • Issue date Jul 23, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Xiaobin Li
    • 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

    Brake control apparatus

    • Patent number 12,012,081
    • Issue date Jun 18, 2024
    • Hitachi Astemo, Ltd.
    • Toshihiro Koizumi
    • B60 - VEHICLES IN GENERAL
  • 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

    Fracturing apparatus

    • Patent number 12,006,925
    • Issue date Jun 11, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Sheng Chang
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Plunger, hydraulic end and plunger pump

    • Patent number 12,000,386
    • Issue date Jun 4, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Baojie Wang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reciprocating pump fluid cylinder sleeve assembly

    • Patent number 11,965,497
    • Issue date Apr 23, 2024
    • Caterpillar Inc.
    • James Anthony Barnhouse
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Flexible manifold for reciprocating pump

    • Patent number 11,965,503
    • Issue date Apr 23, 2024
    • Halliburton Energy Services, Inc.
    • Joseph A. Beisel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Manifold assembly

    • Patent number 11,965,504
    • Issue date Apr 23, 2024
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic apparatus and operating method

    • Patent number 11,959,252
    • Issue date Apr 16, 2024
    • Artemis Intelligent Power Limited
    • Niall Caldwell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Packing seal assembly

    • Patent number 11,946,465
    • Issue date Apr 2, 2024
    • Kerr Machine Co.
    • Christopher Todd Barnett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end with clamped retention

    • Patent number 11,920,583
    • Issue date Mar 5, 2024
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Hydraulic fluid pump and retainer assembly for same

    • Patent number 11,891,988
    • Issue date Feb 6, 2024
    • GD ENERGY PRODUCTS, LLC
    • Chance Ray Mullins
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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

    Turbine-driven fracturing system on semi-trailer

    • Patent number 11,828,277
    • Issue date Nov 28, 2023
    • Yantal Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Rikui Zhang
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Suction cover assembly for reciprocating pumps

    • Patent number 11,828,282
    • Issue date Nov 28, 2023
    • SPM Oil & Gas Inc.
    • Joseph Byrne
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and system for harnessing wind energy using a tethered airfoil

    • Patent number 11,821,500
    • Issue date Nov 21, 2023
    • NEW LEAF MANAGEMENT LTD.
    • Frederic Bourgault
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • 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

    Hydraulic system

    • Patent number 11,767,830
    • Issue date Sep 26, 2023
    • HAWE ALTENSTADT HOLDING GMBH
    • Martin Storz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power frame and lubrication system for a reciprocating pump assembly

    • Patent number 11,746,953
    • Issue date Sep 5, 2023
    • SPM Oil & Gas Inc.
    • Bryan Wagner
    • 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

    FRACTURING APPARATUS

    • Publication number 20240287972
    • Publication date Aug 29, 2024
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Sheng CHANG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MANIFOLD ASSEMBLY

    • Publication number 20240271617
    • Publication date Aug 15, 2024
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Flexible Manifold for Reciprocating Pump

    • Publication number 20240254986
    • Publication date Aug 1, 2024
    • Halliburton Energy Services, Inc.
    • Joseph A. BEISEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-PIECE FLUID END

    • Publication number 20240254979
    • Publication date Aug 1, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PACKING SEAL ASSEMBLY

    • Publication number 20240218865
    • Publication date Jul 4, 2024
    • KERR MACHINE CO.
    • Christopher Todd Barnett
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    HYDRAULIC FLUID PUMP AND RETAINER ASSEMBLY FOR SAME

    • Publication number 20240125309
    • Publication date Apr 18, 2024
    • GD Energy Products, LLC
    • Chance Ray Mullins
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Semi-Trailer-Loaded Turbine Fracturing Equipment

    • Publication number 20240093680
    • Publication date Mar 21, 2024
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Rikui Zhang
    • E21 - EARTH DRILLING MINING
  • 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

    VARIABLE OUTPUT, HYDRAULIC DRIVE SYSTEM

    • Publication number 20240026906
    • Publication date Jan 25, 2024
    • ROBERT D. KLINE
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    FLUID DOSING SYSTEM

    • Publication number 20230407855
    • Publication date Dec 21, 2023
    • Diversey, Inc.
    • Jeroen C. Beerens
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PARTIAL STROKE FLUIDIC PUMP-MOTOR WITH HIGH MECHANICAL EFFICIENCY

    • Publication number 20230358217
    • Publication date Nov 9, 2023
    • Regents of the University of Minnesota
    • Thomas Richard Chase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PRESSURE WASHER APPARATUS

    • Publication number 20230349370
    • Publication date Nov 2, 2023
    • 7RDD Limited
    • RIENTS BAKKER
    • B08 - CLEANING
  • 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

    MULTI-PIECE FLUID END

    • Publication number 20230323873
    • Publication date Oct 12, 2023
    • KERR MACHINE CO.
    • Mark S. Nowell
    • 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

    Turbine-Driven Fracturing System on Semi-Trailer

    • Publication number 20230119896
    • Publication date Apr 20, 2023
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Rikui ZHANG
    • E21 - EARTH DRILLING MINING
  • 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

    HYDRAULIC APPARATUS AND OPERATING METHOD

    • Publication number 20220333620
    • Publication date Oct 20, 2022
    • Artemis Intelligent Power Limited
    • Niall Caldwell
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • 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