TREA

Royal R. Hawkins

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  • Bloomington, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Boom control system
    • Patent number 4,910,662
    • Issue date Mar 20, 1990
    • Sundstrand-Sauer
    • Richard K. Heiser
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Boom control system
    • Patent number 4,791,549
    • Issue date Dec 13, 1988
    • Sundstrand Corporation
    • Richard K. Heiser
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Boom control system
    • Patent number 4,722,044
    • Issue date Jan 26, 1988
    • Sundstrand Corporation
    • Richard K. Heiser
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Proportional plus integral servo-reversible speed control
    • Patent number 4,475,073
    • Issue date Oct 2, 1984
    • Sundstrand Corporation
    • Royal R. Hawkins
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Anti-stall control
    • Patent number 4,448,021
    • Issue date May 15, 1984
    • Sundstrand Corporation
    • Royal R. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Torque-control with overspeed regulation and method of controlling...
    • Patent number 4,444,286
    • Issue date Apr 24, 1984
    • Sundstrand Corporation
    • Royal R. Hawkins
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Split torque transmission control
    • Patent number 4,355,509
    • Issue date Oct 26, 1982
    • Sundstrand Corporation
    • Thomas R. Fulkerson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Frequency detector
    • Patent number 4,344,328
    • Issue date Aug 17, 1982
    • Sundstrand Corporation
    • Royal R. Hawkins
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Reset windup limiting
    • Patent number 4,303,873
    • Issue date Dec 1, 1981
    • Honeywell Inc.
    • Royal R. Hawkins
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Photo electrically programmed steering control
    • Patent number 4,229,649
    • Issue date Oct 21, 1980
    • Honeywell Inc.
    • Royal R. Hawkins
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Slope control system
    • Patent number 4,213,503
    • Issue date Jul 22, 1980
    • Honeywell Inc.
    • Dwayne R. Elmberg
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Time-proportioning control system for earth-working machines
    • Patent number 4,158,162
    • Issue date Jun 12, 1979
    • Honeywell Inc.
    • Royal R. Hawkins
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Earth working machine with elevation control for tool thereof
    • Patent number 4,085,805
    • Issue date Apr 25, 1978
    • Honeywell Inc.
    • Royal R. Hawkins
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Slope control system
    • Patent number 4,081,033
    • Issue date Mar 28, 1978
    • Honeywell Inc.
    • Frederick J. Bulger
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Frame distortion relief steering control system
    • Patent number 3,999,623
    • Issue date Dec 28, 1976
    • Honeywell Inc.
    • Leland E. Kuntz
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS