TREA

Robert Frank Swindell

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  • Sanford, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diatomaceous earth filter apparatus and method
    • Patent number 10,427,076
    • Issue date Oct 1, 2019
    • Pentair Water Pool and Spa, Inc.
    • Robert Frank Swindell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Diatomaceous earth filter apparatus and method
    • Patent number 8,992,775
    • Issue date Mar 31, 2015
    • Pentair Water Pool and Spa, Inc.
    • Robert Frank Swindell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter devices including a porous body
    • Patent number 7,513,993
    • Issue date Apr 7, 2009
    • Pentair Water Pool and Spa, Inc.
    • Timothy Michael Goodwin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Diatomaceous Earth Filter Apparatus and Method
    • Publication number 20150174515
    • Publication date Jun 25, 2015
    • Pentair Water Pool and Spa, Inc.
    • Robert Frank Swindell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Diatomaceous earth filter apparatus and method
    • Publication number 20080099408
    • Publication date May 1, 2008
    • Robert Frank Swindell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter devices including a porous body
    • Publication number 20060124527
    • Publication date Jun 15, 2006
    • Pentair Water Pool and Spa, Inc.
    • Timothy Michael Goodwin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL