TREA

William C. Steiss

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  • Parma, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve
    • Patent number 4,684,106
    • Issue date Aug 4, 1987
    • Nupro Company
    • Terrence J. Kolenc
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Check valve
    • Patent number 4,637,430
    • Issue date Jan 20, 1987
    • Nupro Company
    • Gary W. Scheffel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High pressure inverted bellows valve
    • Patent number 4,634,099
    • Issue date Jan 6, 1987
    • Nupro Company
    • Oliver L. Danko
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve
    • Patent number 4,606,374
    • Issue date Aug 19, 1986
    • Nupro Company
    • Terrence J. Kolenc
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure relief valve
    • Patent number 4,530,373
    • Issue date Jul 23, 1985
    • Nupro Company
    • Carl R. Bork
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Plug valve
    • Patent number 4,262,880
    • Issue date Apr 21, 1981
    • Nupro Company
    • Oliver L. Danko
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    In-line fluid filter
    • Patent number 4,263,140
    • Issue date Apr 21, 1981
    • Nupro Company
    • Ronald J. Wujnovich
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL