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David A. Laing

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  • Elyria, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Scraper adjustment mechanism and method
    • Patent number 8,372,281
    • Issue date Feb 12, 2013
    • Industrial Manufacturing Company
    • David A. Laing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Solid separator
    • Patent number 8,057,685
    • Issue date Nov 15, 2011
    • David A. Laing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Scraper adjustment mechanism and method
    • Patent number 7,364,662
    • Issue date Apr 29, 2008
    • David A. Laing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    High debris content strainer
    • Patent number 7,083,735
    • Issue date Aug 1, 2006
    • David A. Laing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self-cleaning water filter
    • Patent number 6,861,004
    • Issue date Mar 1, 2005
    • James Benenson, Jr.
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self-cleaning fuel oil strainer
    • Patent number 6,821,444
    • Issue date Nov 23, 2004
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of cleaning a cylindrical water strainer utilizing reverse f...
    • Patent number 6,712,981
    • Issue date Mar 30, 2004
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self-cleaning water filter
    • Patent number 6,676,834
    • Issue date Jan 13, 2004
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self cleaning water filter
    • Patent number 6,666,976
    • Issue date Dec 23, 2003
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self cleaning fuel oil strainer
    • Patent number 6,517,722
    • Issue date Feb 11, 2003
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self-cleaning fuel oil strainer
    • Patent number 6,177,022
    • Issue date Jan 23, 2001
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SOLID SEPARATOR
    • Publication number 20090308818
    • Publication date Dec 17, 2009
    • David A. Laing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SCRAPER ADJUSTMENT MECHANISM AND METHOD
    • Publication number 20070114190
    • Publication date May 24, 2007
    • David A. Laing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    High debris content strainer
    • Publication number 20050045568
    • Publication date Mar 3, 2005
    • David A. Laing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Self-cleaning water filter
    • Publication number 20040159617
    • Publication date Aug 19, 2004
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Self cleaning water filter
    • Publication number 20030111430
    • Publication date Jun 19, 2003
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Self cleaning water filter
    • Publication number 20030098273
    • Publication date May 29, 2003
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Self-cleaning fuel oil strainer
    • Publication number 20030052067
    • Publication date Mar 20, 2003
    • James Benenson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Self-cleaning fluid strainer using nozzle/diffuser for discharge ex...
    • Publication number 20020158005
    • Publication date Oct 31, 2002
    • David A. Laing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL