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Brian W. Koehn

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrically operated displacement pump control system and method
    • Patent number 12,092,090
    • Issue date Sep 17, 2024
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanically driven modular diaphragm pump
    • Patent number 11,905,939
    • Issue date Feb 20, 2024
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Displacement pump control box with center section
    • Patent number D1014561
    • Issue date Feb 13, 2024
    • Graco Minnesota Inc.
    • Brian W. Koehn
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Displacement pump
    • Patent number D1014562
    • Issue date Feb 13, 2024
    • Graco Minnesota Inc.
    • Brian W. Koehn
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Displacement pump
    • Patent number D1013732
    • Issue date Feb 6, 2024
    • Graco Minnesota Inc.
    • Brian W. Koehn
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Pump having multi-stage gas compression
    • Patent number 11,873,802
    • Issue date Jan 16, 2024
    • Graco Minnesota Inc.
    • Jacob D. Higgins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Drive system for a positive displacement pump
    • Patent number 11,867,165
    • Issue date Jan 9, 2024
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control box for a displacement pump
    • Patent number D1006830
    • Issue date Dec 5, 2023
    • Graco Minnesota Inc.
    • Brian W. Koehn
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Electrically operated displacement pump control system and method
    • Patent number 11,655,810
    • Issue date May 23, 2023
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanically driven modular diaphragm pump
    • Patent number 11,639,713
    • Issue date May 2, 2023
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electrically operated displacement pump assembly
    • Patent number 11,434,892
    • Issue date Sep 6, 2022
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electrically operated displacement pump control system and method
    • Patent number 11,174,854
    • Issue date Nov 16, 2021
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High-pressure positive displacement plunger pump
    • Patent number 11,022,106
    • Issue date Jun 1, 2021
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanically driven modular diaphragm pump
    • Patent number 11,002,261
    • Issue date May 11, 2021
    • Graco Minnesota Inc.
    • Bradley J. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanical drive system for a pulseless positive displacement pump
    • Patent number 10,161,393
    • Issue date Dec 25, 2018
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of pulselessly displacing fluid
    • Patent number 10,072,650
    • Issue date Sep 11, 2018
    • Graco Minnesota, Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm pump
    • Patent number D822720
    • Issue date Jul 10, 2018
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Diaphragm pump
    • Patent number D822719
    • Issue date Jul 10, 2018
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Diaphragm pump
    • Patent number D822067
    • Issue date Jul 3, 2018
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Electric drive system for a pulseless positive displacement pump
    • Patent number 9,784,265
    • Issue date Oct 10, 2017
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic drive system for a pulseless positive displacement pump
    • Patent number 9,777,721
    • Issue date Oct 3, 2017
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulseless positive displacement pump and method of pulselessly disp...
    • Patent number 9,777,722
    • Issue date Oct 3, 2017
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulseless positive displacement pump and method of pulselessly disp...
    • Patent number 9,638,185
    • Issue date May 2, 2017
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm pump
    • Patent number D782541
    • Issue date Mar 28, 2017
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Diaphragm pump
    • Patent number D780227
    • Issue date Feb 28, 2017
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Diaphragm pump
    • Patent number D771714
    • Issue date Nov 15, 2016
    • Graco Minnesota Inc.
    • Bradley H. Hines
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents