TREA

Per Nyrop

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  • Norwalk, CT, US
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Patents Grantslast 30 patents

  • 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

    Nozzle type centrifugal machine with improved slurry pumping chambers
    • Patent number 4,067,494
    • Issue date Jan 10, 1978
    • Dorr-Oliver Incorporated
    • Charles Arthur Willus
    • 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...