TREA

Roger Alexander Buttery

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  • Petersfield, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter assemblies with valves
    • Patent number 7,273,550
    • Issue date Sep 25, 2007
    • Pall Corporation
    • Richard Guy Gutman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    End cap for a cylindrical filter
    • Patent number D412551
    • Issue date Aug 3, 1999
    • Pall Corporation
    • Karl S. Smith
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter assemblies and end caps for filter assemblies
    • Patent number 5,779,903
    • Issue date Jul 14, 1998
    • Pall Corporation
    • Karl S. Smith
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Depth filter media
    • Patent number 5,468,382
    • Issue date Nov 21, 1995
    • Pall Corporation
    • Nigel J. D. Cook
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Plastic frame filter unit for a stack assembly
    • Patent number 5,429,742
    • Issue date Jul 4, 1995
    • Pall Corporation
    • Richard G. Gutman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filtering apparatus
    • Patent number 5,290,445
    • Issue date Mar 1, 1994
    • Pall Corporation
    • Roger A. Buttery
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Filter assemblies
    • Patent number 5,286,381
    • Issue date Feb 15, 1994
    • Pall Corporation
    • Roger A. Buttery
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Depth filter media
    • Patent number 5,279,731
    • Issue date Jan 18, 1994
    • Pall Corporation
    • Nigel J. D. Cook
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Filter assemblies and valves for filter assemblies
    • Publication number 20060169630
    • Publication date Aug 3, 2006
    • PALL CORPORATION
    • Richard Guy Gutman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter assemblies and valves for filter assemblies
    • Publication number 20060091060
    • Publication date May 4, 2006
    • PALL CORPORATION
    • Richard Guy Gutman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter assembly
    • Publication number 20050145559
    • Publication date Jul 7, 2005
    • PALL CORPORATION
    • Richard Guy Gutman
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL