TREA

Kenneth D. Lewis

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  • Monument, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal pump with deaeration chamber
    • Patent number 4,548,545
    • Issue date Oct 22, 1985
    • Dorr-Oliver Incorporated
    • Kenneth D. Lewis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Feed seal for bottom feed centrifuge
    • Patent number 4,430,071
    • Issue date Feb 7, 1984
    • Dorr-Oliver Incorporated
    • Charles A. Willus
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Multiple hydrocyclone device
    • Patent number 4,260,480
    • Issue date Apr 7, 1981
    • Dorr-Oliver Incorporated
    • Kenneth D. Lewis
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Centrifuge pressure relief device
    • Patent number 4,059,223
    • Issue date Nov 22, 1977
    • Dorr-Oliver Incorporated
    • Kenneth Dan Lewis
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Nozzle type centrifuge
    • Patent number 4,005,817
    • Issue date Feb 1, 1977
    • Dorr-Oliver Incorporated
    • Andrew Paul Charlton
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...