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Michael J. Koehler

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  • Ramsey, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fan shroud
    • Patent number 12,129,785
    • Issue date Oct 29, 2024
    • Hoffman Enclosures Inc.
    • Jeffrey Thibedeau
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Air conditioner for sealed enclosures
    • Patent number 12,048,114
    • Issue date Jul 23, 2024
    • Hoffman Enclosures Inc.
    • Michael Koehler
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Fan shroud
    • Patent number 11,286,840
    • Issue date Mar 29, 2022
    • Hoffman Enclosures, Inc.
    • Jeffrey Thibedeau
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Filter housing for filter fan
    • Patent number 10,512,866
    • Issue date Dec 24, 2019
    • Hoffman Enclosures, Inc.
    • Seng Chang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Float drain
    • Patent number 10,451,307
    • Issue date Oct 22, 2019
    • Hoffman Enclosures, Inc.
    • Scott D. Stammer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air conditioner
    • Patent number D803365
    • Issue date Nov 21, 2017
    • Hoffman Enclosures, Inc.
    • Richard L. Raisanen
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Air conditioner cover
    • Patent number D739928
    • Issue date Sep 29, 2015
    • Hoffman Enclosures, Inc.
    • Richard L. Raisanen
    • D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

  • Information Patent Application

    Air Conditioner for Sealed Enclosures
    • Publication number 20240365501
    • Publication date Oct 31, 2024
    • Hoffman Enclosures Inc.
    • Michael Koehler
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cover for an Air Conditioner for Sealed Enclosures
    • Publication number 20230081004
    • Publication date Mar 16, 2023
    • Hoffman Enclosures Inc.
    • Michael Woods
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Method for Liquid Filter Assembly
    • Publication number 20230055792
    • Publication date Feb 23, 2023
    • Hoffman Enclosures Inc.
    • Matthew R. Archibald
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Air Conditioner for Sealed Enclosures
    • Publication number 20220330451
    • Publication date Oct 13, 2022
    • Hoffman Enclosures Inc.
    • Michael Koehler
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Fan Shroud
    • Publication number 20220213832
    • Publication date Jul 7, 2022
    • Hoffman Enclosures Inc.
    • Jeffrey Thibedeau
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Fan Shroud
    • Publication number 20190226385
    • Publication date Jul 25, 2019
    • Hoffman Enclosures, Inc.
    • Jeffrey Thibedeau
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    FLOAT DRAIN
    • Publication number 20170299078
    • Publication date Oct 19, 2017
    • Hoffman Enclosures, Inc.
    • Scott D. Stammer
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Filter Housing for Filter Fan
    • Publication number 20170232373
    • Publication date Aug 17, 2017
    • Hoffman Enclosures, Inc.
    • Seng Chang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Air Conditioning Unit with Economizer and Filter Assembly
    • Publication number 20100083682
    • Publication date Apr 8, 2010
    • Michael J. Koehler
    • F24 - HEATING RANGES VENTILATING