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Roger W. Day

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High capacity continuous solid bowl centrifuge
    • Patent number 4,743,226
    • Issue date May 10, 1988
    • Geosource Inc.
    • Roger W. Day
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Solids mixing well structure and method
    • Patent number 4,505,591
    • Issue date Mar 19, 1985
    • Geosource Inc.
    • Roger W. Day
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Multi-stage centrifugal mixer
    • Patent number 4,345,841
    • Issue date Aug 24, 1982
    • Geosource Inc.
    • Roger W. Day
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centrifugal degasser
    • Patent number 4,326,863
    • Issue date Apr 27, 1982
    • Geosource Inc.
    • Roger W. Day
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centrifugal mud mixer
    • Patent number 4,184,771
    • Issue date Jan 22, 1980
    • Geosource Inc.
    • Roger W. Day
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cyclone assembly
    • Patent number 4,053,393
    • Issue date Oct 11, 1977
    • Picenco International, Inc.
    • Roger W. Day
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...