TREA

William L. Carlson Jr.

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  • St. Cloud, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Involute valve closure
    • Patent number 4,640,492
    • Issue date Feb 3, 1987
    • General Signal Corporation
    • William L. Carlson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical movement
    • Patent number 4,186,613
    • Issue date Feb 5, 1980
    • General Signal Corporation
    • William L. Carlson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Variable fluid passage
    • Patent number 4,092,010
    • Issue date May 30, 1978
    • General Signal Corporation
    • William L. Carlson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Scotch yoke
    • Patent number 4,075,898
    • Issue date Feb 28, 1978
    • General Signal Corporation
    • William L. Carlson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Scotch yoke
    • Patent number 4,058,288
    • Issue date Nov 15, 1977
    • General Signal Corporation
    • William L. Carlson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Scotch yoke
    • Patent number 4,056,011
    • Issue date Nov 1, 1977
    • General Signal Corporation
    • William L. Carlson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump check valve control apparatus
    • Patent number 3,951,568
    • Issue date Apr 20, 1976
    • General Signal Corporation
    • William L. Carlson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...