Stoffing boxes

Patents Grantslast 30 patents

  • Information Patent Grant

    Modular power end

    • Patent number 12,221,958
    • Issue date Feb 11, 2025
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing high pressure flow devices

    • Patent number 12,209,686
    • Issue date Jan 28, 2025
    • Kerr Machine Co.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end assembly

    • Patent number 12,188,458
    • Issue date Jan 7, 2025
    • Kerr Machine Co.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston compressor

    • Patent number 12,169,022
    • Issue date Dec 17, 2024
    • BORSIG ZM COMPRESSION GMBH
    • Heinz Baumann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Cradle plate for high pressure reciprocating pumps

    • Patent number 12,129,847
    • Issue date Oct 29, 2024
    • GD ENERGY PRODUCTS, LLC
    • Konner Casey Kay
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Reciprocating compressor with a jacket around the piston rod

    • Patent number 12,078,164
    • Issue date Sep 3, 2024
    • NUOVO PIGNONE TECHNOLOGIE SRL
    • Manjunatha M. Chandrashekar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end packing assembly

    • Patent number 12,071,939
    • Issue date Aug 27, 2024
    • SPM Oil & Gas Inc.
    • Richard David Peer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Injection pump

    • Patent number 12,038,000
    • Issue date Jul 16, 2024
    • Texas Injection Corp
    • Michael Todd Warren
    • 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 end

    • Patent number 12,000,257
    • Issue date Jun 4, 2024
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    System for dispensing abrasive material

    • Patent number 11,971,022
    • Issue date Apr 30, 2024
    • Graco Minnesota Inc.
    • Steven R. Sinders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Packing sleeve removal feature

    • Patent number 11,959,476
    • Issue date Apr 16, 2024
    • SPM Oil & Gas Inc.
    • David T. Figgs
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Containing fluid leaks on additive pumps

    • Patent number 11,859,609
    • Issue date Jan 2, 2024
    • Natural Gas Solutions North America, LLC
    • Robert Erling Fowler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing high pressure flow devices

    • Patent number 11,859,732
    • Issue date Jan 2, 2024
    • Kerr Machine Co.
    • Mark S. Nowell
    • 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

    Fluid end

    • Patent number 11,788,527
    • Issue date Oct 17, 2023
    • Kerr Machine Co.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Packing sleeve for pump fluid end

    • Patent number 11,754,068
    • Issue date Sep 12, 2023
    • Halliburton Energy Services, Inc.
    • John Dexter Brunet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rod packing

    • Patent number 11,719,344
    • Issue date Aug 8, 2023
    • Compressor Products International, LLC
    • Pascal Mahieux
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing high pressure flow devices

    • Patent number 11,649,900
    • Issue date May 16, 2023
    • Kerr Machine Co.
    • Mark S. Nowell
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Sealing high pressure flow devices

    • Patent number 11,649,901
    • Issue date May 16, 2023
    • Kerr Machine Co.
    • Mark S. Nowell
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20250003399
    • Publication date Jan 2, 2025
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRADLE PLATE FOR HIGH PRESSURE RECIPROCATING PUMPS

    • Publication number 20240426293
    • Publication date Dec 26, 2024
    • GD Energy Products, LLC
    • Konner Casey Kay
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END WITH CLAMPED RETENTION

    • Publication number 20240401588
    • Publication date Dec 5, 2024
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • 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 END

    • Publication number 20240309742
    • Publication date Sep 19, 2024
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SYSTEM FOR DISPENSING ABRASIVE MATERIAL

    • Publication number 20240240625
    • Publication date Jul 18, 2024
    • Graco Minnesota Inc.
    • Steven R. Sinders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID CYLINDER WITH WEDGE FLANGES

    • Publication number 20240229789
    • Publication date Jul 11, 2024
    • GD Energy Products, LLC
    • Jacob Gregory Garrison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    MODULAR PLUNGER PACKING GLAND ASSEMBLY

    • Publication number 20240209851
    • Publication date Jun 27, 2024
    • SPM OIL & GAS INC.
    • Justin Lane POEHLS
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SEAL STRUCTURE FOR RECIPROCATING PUMP WITH CYLINDRICAL COLLAR PORTION

    • Publication number 20240141889
    • Publication date May 2, 2024
    • Maruyama Mfg. Co., Inc.
    • Nobuo TOJO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID CYLINDER WITH WEDGE FLANGES

    • Publication number 20240133375
    • Publication date Apr 25, 2024
    • GD Energy Products, LLC
    • Jacob Gregory Garrison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING HIGH PRESSURE FLOW DEVICES

    • Publication number 20240125395
    • Publication date Apr 18, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END

    • Publication number 20240125222
    • Publication date Apr 18, 2024
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID ROUTING PLUG

    • Publication number 20240117806
    • Publication date Apr 11, 2024
    • KERR MACHINE CO.
    • Micheal Cole Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON PUMP

    • Publication number 20240117805
    • Publication date Apr 11, 2024
    • MIXTRON S.R.L.
    • Stefano BREVINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 END

    • Publication number 20240035468
    • Publication date Feb 1, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HIGH PRESSURE RECIPROCATING PUMP

    • Publication number 20230366395
    • Publication date Nov 16, 2023
    • Federal Signal Corporation
    • John B. Schaer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING HIGH PRESSURE FLOW DEVICES

    • Publication number 20230279956
    • Publication date Sep 7, 2023
    • KERR MACHINE CO.
    • Mark S. Nowell
    • 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

    Packing Sleeve Removal Feature

    • Publication number 20230258175
    • Publication date Aug 17, 2023
    • SPM OIL & GAS INC.
    • David T. Figgs
    • 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

    High-Pressure Fuel Pump

    • Publication number 20230096056
    • Publication date Mar 30, 2023
    • ROBERT BOSCH GmbH
    • Markus Schetter
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    SEALING HIGH PRESSURE FLOW DEVICES

    • Publication number 20230021141
    • Publication date Jan 19, 2023
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...