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Donald O. Johannsen

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  • Dubuque, IA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ACTUATOR ROD SCRAPER ASSEMBLY
    • Publication number 20170260716
    • Publication date Sep 14, 2017
    • Deere & Company
    • BRADLEY C. DAUDERMAN
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    HYDRAULIC FLUSHING SYSTEM AND METHOD
    • Publication number 20150354609
    • Publication date Dec 10, 2015
    • Deere & Company
    • Bradley C. Dauderman
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    LIQUID LEVEL DETECTION SYSTEM FOR A DRIVELINE COMPONENT
    • Publication number 20140318236
    • Publication date Oct 30, 2014
    • Deere & Company
    • Joseph F. Lingle
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    SYSTEM FOR LUBRICATING INPUT SHAFT SPLINE OF FINAL DRIVE TRANSMISSION
    • Publication number 20140150589
    • Publication date Jun 5, 2014
    • One John Deere Place
    • Donald O. Johannsen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    DUAL SEALING ARRANGEMENT FOR FINAL DRIVE GEAR BOX
    • Publication number 20140151966
    • Publication date Jun 5, 2014
    • Deere & Company
    • Donald O. Johannsen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GEARBOX WITH MULTI-FUNCTION QUILL
    • Publication number 20130081495
    • Publication date Apr 4, 2013
    • Ryan Benson
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Motor Shaft Speed Sensor Arrangement
    • Publication number 20110185801
    • Publication date Aug 4, 2011
    • Donald Orville Johannsen
    • G01 - MEASURING TESTING
  • Information Patent Application

    FACE SEAL BREAK-IN COMPOUND
    • Publication number 20100078896
    • Publication date Apr 1, 2010
    • Deere & Company
    • Donald Orville Johannsen
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...