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Andrew Dahlgren

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  • Chanhassen, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter element, systems, and methods
    • Patent number 12,036,502
    • Issue date Jul 16, 2024
    • Donaldson Company, Inc.
    • Jason A. Tiffany
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element, systems, and methods
    • Patent number 11,691,101
    • Issue date Jul 4, 2023
    • Donaldson Company, Inc.
    • Jason A. Tiffany
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Microporous membrane for flash distillation
    • Patent number 9,108,163
    • Issue date Aug 18, 2015
    • Donaldson Company, Inc.
    • Kirit Patel
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER ELEMENT, SYSTEMS, AND METHODS
    • Publication number 20240375032
    • Publication date Nov 14, 2024
    • Donaldson Company, Inc.
    • Jason A. TIFFANY
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FILTER ELEMENT, SYSTEMS, AND METHODS
    • Publication number 20230390685
    • Publication date Dec 7, 2023
    • Donaldson Company, Inc.
    • Jason A. TIFFANY
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT, SYSTEMS, AND METHODS
    • Publication number 20210046415
    • Publication date Feb 18, 2021
    • Donaldson Company, Inc.
    • Jason A. TIFFANY
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PARTICULATE FILTER AND METHOD OF USE
    • Publication number 20100218595
    • Publication date Sep 2, 2010
    • MEASUREMENT TECHONOLOGY LABORATORIES CORPORATION
    • David A. Dikken
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Microporous Membrane for Flash Distillation
    • Publication number 20080314727
    • Publication date Dec 25, 2008
    • Kirit Patel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Breather filter
    • Publication number 20060113236
    • Publication date Jun 1, 2006
    • Andrew Dahlgren
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Particulate filter and method of use
    • Publication number 20050247105
    • Publication date Nov 10, 2005
    • David A. Dikken
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Various filter elements for hydrogen fuel cell
    • Publication number 20040151966
    • Publication date Aug 5, 2004
    • Andrew Christian Dahlgren
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...