TREA

Ralph Heinzen

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  • Garrison, ND, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self monitoring static seal with optical sensor
    • Patent number 7,405,818
    • Issue date Jul 29, 2008
    • Ralph Heinzen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self monitoring static seal
    • Patent number 6,615,639
    • Issue date Sep 9, 2003
    • Ralph Heinzen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Self monitoring mechanical seal
    • Patent number 6,595,523
    • Issue date Jul 22, 2003
    • Ralph Heinzen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal with electrical conductor wear indicator
    • Patent number 5,785,323
    • Issue date Jul 28, 1998
    • Ralph Heinzen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal with electrical conductor wear indicator
    • Patent number 5,540,448
    • Issue date Jul 30, 1996
    • Ralph Heinzen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal with embedded wire
    • Patent number 5,246,235
    • Issue date Sep 21, 1993
    • Ralph Heinzen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Trailer with automatic boat docker
    • Patent number 4,826,197
    • Issue date May 2, 1989
    • Ralph Heinzen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Towable transplanter
    • Patent number 4,625,662
    • Issue date Dec 2, 1986
    • Ralph Heinzen
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents