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John D. Eckel

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  • Hazel Green, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Auxiliary gas connection for meter sets
    • Patent number 5,836,340
    • Issue date Nov 17, 1998
    • A. Y. McDonald Mfg. Co.
    • Joseph L. Daghe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Security valve assembly
    • Patent number 5,799,687
    • Issue date Sep 1, 1998
    • A. Y. McDonald Mfg. Co.
    • John Eckel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tamperproof rotary valve
    • Patent number 5,102,098
    • Issue date Apr 7, 1992
    • A. Y. McDonald Manufacturing Company
    • Joseph L. Daghe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tamperproof rotary valve
    • Patent number 5,076,541
    • Issue date Dec 31, 1991
    • A. Y. McDonald Manufacturing Company
    • Joe L. Daghe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tamperproof rotary valve
    • Patent number 4,984,767
    • Issue date Jan 15, 1991
    • A. Y. McDonald Mfg. Co.
    • Joe L. Daghe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Natural energy operated pump system
    • Patent number 4,303,833
    • Issue date Dec 1, 1981
    • A. Y. McDonald Manufacturing Company
    • John D. Eckel
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Ball valve construction
    • Patent number 4,218,042
    • Issue date Aug 19, 1980
    • A. Y. McDonald Mfg. Co.
    • John D. Eckel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Safety valve for fuel dispensers including vapor recovery systems
    • Patent number 4,131,142
    • Issue date Dec 26, 1978
    • A. Y. McDonald Mfg. Co.
    • Robert H. Barr
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...