TREA

Erwin W. Parr

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  • Des Moines, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel filter and pressure regulator system apparatus
    • Patent number 5,078,167
    • Issue date Jan 7, 1992
    • Parr Manufacturing, Inc.
    • Timothy B. Brandt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pressure regulator
    • Patent number 4,633,901
    • Issue date Jan 6, 1987
    • Parr Manufacturing, Inc.
    • Timothy B. Brandt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Aerosol canister
    • Patent number 4,416,399
    • Issue date Nov 22, 1983
    • Ziphron, Inc.
    • Erwin W. Parr
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Check valve assembly
    • Patent number 4,310,018
    • Issue date Jan 12, 1982
    • Parr Manufacturing Company
    • Erwin W. Parr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve
    • Patent number 4,194,589
    • Issue date Mar 25, 1980
    • Erwin W. Parr
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Safety roll over valve
    • Patent number 3,996,951
    • Issue date Dec 14, 1976
    • Parr Manufacturing Inc.
    • Erwin W. Parr
    • B60 - VEHICLES IN GENERAL