TREA

David C. Slack

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  • Tampa, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    System and method for interlocking support blocks
    • Patent number 8,069,630
    • Issue date Dec 6, 2011
    • Severn Trent Water Purification, Inc.
    • David C. Slack
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    System method for interlocking support blocks
    • Patent number 7,997,041
    • Issue date Aug 16, 2011
    • Seven Trent Water Purification, Inc.
    • David C. Slack
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method and system for filtration of wastewater
    • Patent number 7,396,466
    • Issue date Jul 8, 2008
    • Tetra Process Technologies Seven Trent Services Company
    • Joseph M. Bonazza
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Snap locking underdrain block
    • Patent number 7,141,164
    • Issue date Nov 28, 2006
    • Severn Trent Water Purification, Inc.
    • David C. Slack
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Lid for an underdrain block
    • Patent number 7,074,329
    • Issue date Jul 11, 2006
    • Tetra Technologies, div Capital Controls, Severn Trent Services Co.
    • E. Stuart Savage
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method and apparatus for denitrification of wastewater
    • Patent number 5,496,472
    • Issue date Mar 5, 1996
    • Tetra Technologies, Inc.
    • David C. Slack
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    System Method for Interlocking Support Blocks
    • Publication number 20090014374
    • Publication date Jan 15, 2009
    • David Slack
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    System and method for interlocking support blocks
    • Publication number 20070190865
    • Publication date Aug 16, 2007
    • Severn Trent Water Purification, In
    • David C. Slack
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Method and system for filtration of wastewater
    • Publication number 20070062868
    • Publication date Mar 22, 2007
    • TETRA PROCESS TECHNOLOGIES SEVERN TRENT SERVICES COMPANY
    • Joseph M. Bonazza
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Snap locking underdrain block
    • Publication number 20050218061
    • Publication date Oct 6, 2005
    • David C. Slack
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Lid for an underdrain block
    • Publication number 20030080040
    • Publication date May 1, 2003
    • E. Stuart Savage
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Process for direct filtration of wastewater
    • Publication number 20020079267
    • Publication date Jun 27, 2002
    • E. Stuart Savage
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL