TREA

Roy A. Cramer

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  • Kansas City, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aspirating aeration and liquid mixing apparatus
    • Patent number 4,710,325
    • Issue date Dec 1, 1987
    • Air-O-Lator Corporation
    • Barry G. Cramer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Aerator mast with azimuth lock and bottom stop
    • Patent number 4,671,872
    • Issue date Jun 9, 1987
    • Air-O-Lator Corporation
    • Barry G. Cramer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Submersible mixer with air injection
    • Patent number 4,581,182
    • Issue date Apr 8, 1986
    • Air-O-Lator Corporation
    • Barry G. Cramer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Aspirating horizontal mixer
    • Patent number 4,514,343
    • Issue date Apr 30, 1985
    • Air-O-Lator Corporation
    • Barry G. Cramer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Hydraulic horizontal mixer
    • Patent number 4,464,259
    • Issue date Aug 7, 1984
    • Air-O-Lator Corporation
    • Roy A. Cramer
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Horizontal mixing aerator
    • Patent number 4,431,597
    • Issue date Feb 14, 1984
    • Air-O-Lator Corporation
    • Barry G. Cramer
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid moving and mixing apparatus
    • Patent number 4,014,526
    • Issue date Mar 29, 1977
    • Roy A. Cramer
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE