Michael R. Crawford

Person

  • Cedar Falls, IA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Double seal lubricated packing gland and rotating sleeve

    • Patent number 11,662,027
    • Issue date May 30, 2023
    • Viking Pump, Inc.
    • Christopher Mihm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump shaft packing gland and bushing

    • Patent number 11,566,616
    • Issue date Jan 31, 2023
    • Viking Pump, Inc.
    • Victor Christian Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double seal lubricated packing gland and rotating sleeve

    • Patent number 11,168,794
    • Issue date Nov 9, 2021
    • Viking Pump, Inc.
    • Christopher Mihm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump shaft packing gland and bushing

    • Patent number 10,760,685
    • Issue date Sep 1, 2020
    • Viking Pump, Inc.
    • Victor Christian Iehl
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Idler gear for positive displacement gear pump

    • Patent number 10,514,034
    • Issue date Dec 24, 2019
    • Viking Pump, Inc.
    • Victor Christian Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetic pump

    • Patent number 6,712,585
    • Issue date Mar 30, 2004
    • Viking Pump, Inc.
    • Victor C. Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid dispensing pump system

    • Patent number 6,659,728
    • Issue date Dec 9, 2003
    • Viking Pump, Inc.
    • Matthew D. Bush
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Timed element, high pressure, industrial rotary lobe pump

    • Patent number 6,095,781
    • Issue date Aug 1, 2000
    • Viking Pump, Inc.
    • John Edwin Petersen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    DOUBLE SEAL LUBRICATED PACKING GLAND AND ROTATING SLEEVE

    • Publication number 20220042603
    • Publication date Feb 10, 2022
    • VIKING PUMP, INC.
    • Christopher Mihm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PUMP SHAFT PACKING GLAND AND BUSHING

    • Publication number 20200400141
    • Publication date Dec 24, 2020
    • VIKING PUMP, INC.
    • VICTOR CHRISTIAN IEHL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IDLER GEAR FOR POSITIVE DISPLACEMENT GEAR PUMP

    • Publication number 20200109710
    • Publication date Apr 9, 2020
    • VIKING PUMP, INC.
    • Victor Christian Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NON-LUBRICATING FLUID PUMPING SYSTEM

    • Publication number 20200072206
    • Publication date Mar 5, 2020
    • VIKING PUMP, INC.
    • Scott Meyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE SEAL LUBRICATED PACKING GLAND AND ROTATING SLEEVE

    • Publication number 20190383399
    • Publication date Dec 19, 2019
    • VIKING PUMP, INC.
    • Christopher Mihm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    IDLER GEAR FOR POSITIVE DISPLACEMENT GEAR PUMP

    • Publication number 20180328360
    • Publication date Nov 15, 2018
    • VIKING PUMP, INC.
    • Victor Christian Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP SHAFT PACKING GLAND AND BUSHING

    • Publication number 20180100583
    • Publication date Apr 12, 2018
    • VIKING PUMP, INC.
    • VICTOR CHRISTIAN IEHL
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Liquid dispensing pump system

    • Publication number 20030091442
    • Publication date May 15, 2003
    • Matthew D. Bush
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Magnetic pump

    • Publication number 20030053914
    • Publication date Mar 20, 2003
    • VIKING PUMP, INC.
    • Victor C. Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...