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Kenneth D. Kramer

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  • Waterloo, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrohydraulic valve system
    • Patent number RE33846
    • Issue date Mar 17, 1992
    • Deere & Company
    • Kenneth D. Kramer
    • 091 - Motors: expansible chamber type
  • Information Patent Grant

    Pilot operated hydraulic control valve
    • Patent number 4,799,645
    • Issue date Jan 24, 1989
    • Deere & Company
    • Kenneth D. Kramer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Low leakage orifice-controlled poppet valve
    • Patent number 4,679,765
    • Issue date Jul 14, 1987
    • Deere & Company
    • Kenneth D. Kramer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Poppet valve with float function
    • Patent number 4,506,700
    • Issue date Mar 26, 1985
    • Deere & Company
    • Kenneth D. Kramer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electrohydraulic valve
    • Patent number 4,461,314
    • Issue date Jul 24, 1984
    • Deere & Company
    • Kenneth D. Kramer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Electrohydraulic valve system
    • Patent number 4,437,385
    • Issue date Mar 20, 1984
    • Deere & Company
    • Kenneth D. Kramer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Solenoid with saturable element
    • Patent number 4,419,642
    • Issue date Dec 6, 1983
    • Deere & Company
    • Kenneth D. Kramer
    • H01 - BASIC ELECTRIC ELEMENTS