Helmut Schaefer

Person

  • Ketsch, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Transmission control circuit

    • Patent number 9,752,675
    • Issue date Sep 5, 2017
    • Deere & Company
    • Helmut Schaefer
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Hydraulic circuit supply system

    • Patent number 9,599,127
    • Issue date Mar 21, 2017
    • Deere & Company
    • Scott R. Wiens
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    System for supplying hydraulic fluid

    • Patent number 8,151,818
    • Issue date Apr 10, 2012
    • Deere & Company
    • Scott R. Wiens
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Plastic slider pad for gearbox shift fork

    • Patent number 5,826,462
    • Issue date Oct 27, 1998
    • Deere & Company
    • Helmut Schaefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flow control valve for rotating component

    • Patent number 5,810,142
    • Issue date Sep 22, 1998
    • Deere & Company
    • Helmut Schaefer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Coolant flow control for a clutch

    • Patent number 5,224,578
    • Issue date Jul 6, 1993
    • Deere & Company
    • Guenter Rheinheimer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC CIRCUIT SUPPLY SYSTEM

    • Publication number 20160169252
    • Publication date Jun 16, 2016
    • Deere & Company
    • Scott R. Wiens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TRANSMISSION CONTROL CIRCUIT

    • Publication number 20160025211
    • Publication date Jan 28, 2016
    • Deere & Company
    • HELMUT SCHAEFER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HYDRAULIC CIRCUIT SUPPLY SYSTEM

    • Publication number 20150275925
    • Publication date Oct 1, 2015
    • Deere & Company
    • Scott R. Wiens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTEM FOR SUPPLYING HYDRAULIC FLUID

    • Publication number 20100051123
    • Publication date Mar 4, 2010
    • SCOTT R. WIENS
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL