Randall C. Harkema

Person

  • Caledonia, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel filter

    • Patent number 11,598,299
    • Issue date Mar 7, 2023
    • Exergy Engineering LLC
    • Philip J. DeVries
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel injection pump

    • Patent number 9,816,493
    • Issue date Nov 14, 2017
    • Exergy Engineering LLC
    • Mike Van Allsburg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Injector remanufacturing

    • Patent number 8,756,813
    • Issue date Jun 24, 2014
    • Diesel Forward, Inc.
    • William Joseph Rutecki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Fuel injector control module with unidirectional dampening

    • Patent number 6,702,207
    • Issue date Mar 9, 2004
    • Robert Bosch GmbH
    • Klaus Seelbach
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fuel pumping and injection systems

    • Patent number 5,743,238
    • Issue date Apr 28, 1998
    • Diesel Technology Company
    • Stacy Jean Shorey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel pumping and injection systems

    • Patent number 5,636,615
    • Issue date Jun 10, 1997
    • Diesel Technology Company
    • Stacy J. Shorey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    FUEL INJECTION PUMP

    • Publication number 20140314588
    • Publication date Oct 23, 2014
    • Exergy Engineering LLC
    • Mike Van Allsburg
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FUEL INJECTOR FILTER

    • Publication number 20090120869
    • Publication date May 14, 2009
    • ROBERT BOSCH GmbH
    • Randall C. Harkema
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fuel injector control module with unidirectional dampening

    • Publication number 20040195349
    • Publication date Oct 7, 2004
    • Robert Bosch Fuel Systems Corporation
    • Klaus Seelbach
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel injector control module with dampening

    • Publication number 20040011893
    • Publication date Jan 22, 2004
    • Robert Bosch Fuel Systems Corporation
    • Frank Heine
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTOR CONTROL MODULE WITH UNIDIRECTIONAL DAMPENING

    • Publication number 20040011888
    • Publication date Jan 22, 2004
    • DIESEL TECHNOLOGY COMPANY
    • Klaus Seelbach
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS