TREA

Brad E. Kahlbaugh

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  • Bloomington, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter medium and breather filter structure
    • Patent number 12,172,111
    • Issue date Dec 24, 2024
    • Donaldson Company, Inc.
    • Robert M. Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter medium and structure
    • Patent number RE50226
    • Issue date Dec 3, 2024
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
  • Information Patent Grant

    Filter medium and breather filter structure
    • Patent number 11,504,663
    • Issue date Nov 22, 2022
    • Donaldson Company, Inc.
    • Robert M. Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter medium and structure
    • Patent number RE49097
    • Issue date Jun 7, 2022
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
  • Information Patent Grant

    Filter media pack, filter assembly, and method
    • Patent number 10,610,812
    • Issue date Apr 7, 2020
    • Donaldson Company, Inc.
    • Giancarlo Izzi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter medium and breather filter structure
    • Patent number 10,610,813
    • Issue date Apr 7, 2020
    • Donaldson Company, Inc.
    • Robert M. Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter medium and structure
    • Patent number RE47737
    • Issue date Nov 26, 2019
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
  • Information Patent Grant

    Filter media pack, filter assembly, and method
    • Patent number 10,105,624
    • Issue date Oct 23, 2018
    • Donaldson Company, Inc.
    • Giancarlo Izzi
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Filter medium and breather filter structure
    • Patent number 9,795,906
    • Issue date Oct 24, 2017
    • Donaldson Company, Inc.
    • Robert M. Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method and apparatus for forming a fibrous media
    • Patent number 9,353,481
    • Issue date May 31, 2016
    • Donldson Company, Inc.
    • Hemant Gupta
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for forming a fibrous media
    • Patent number 8,524,041
    • Issue date Sep 3, 2013
    • Donaldson Company, Inc.
    • Hemant Gupta
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 8,460,424
    • Issue date Jun 11, 2013
    • Donaldson Company, Inc.
    • Robert M. Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method and apparatus for forming a fibrous media
    • Patent number 8,267,681
    • Issue date Sep 18, 2012
    • Donaldson Company, Inc.
    • Hemant Gupta
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 8,177,875
    • Issue date May 15, 2012
    • Donaldson Company, Inc.
    • Robert Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter medium and structure
    • Patent number 7,314,497
    • Issue date Jan 1, 2008
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter medium and structure
    • Patent number 7,309,372
    • Issue date Dec 18, 2007
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter material construction and method
    • Patent number 6,872,431
    • Issue date Mar 29, 2005
    • Donaldson Company, Inc.
    • Brad Kahlbaugh
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Filter material construction and method
    • Patent number 6,521,321
    • Issue date Feb 18, 2003
    • Donaldson Company, Inc.
    • Brad Kahlbaugh
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Filter material construction and method
    • Patent number 6,171,684
    • Issue date Jan 9, 2001
    • Donaldson Company, Inc.
    • Brad Kahlbaugh
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Filter material construction and method
    • Patent number 6,165,572
    • Issue date Dec 26, 2000
    • Donaldson Company, Inc.
    • Brad Kahlbaugh
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Filtration arrangement
    • Patent number 6,019,809
    • Issue date Feb 1, 2000
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filtration arrangement and method
    • Patent number 5,972,063
    • Issue date Oct 26, 1999
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filtration arrangement and method
    • Patent number 5,800,587
    • Issue date Sep 1, 1998
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filtration arrangement and method
    • Patent number 5,797,973
    • Issue date Aug 25, 1998
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filtration arrangement
    • Patent number 5,792,227
    • Issue date Aug 11, 1998
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filtration arrangement
    • Patent number 5,762,669
    • Issue date Jun 9, 1998
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filtration arrangement
    • Patent number 5,762,670
    • Issue date Jun 9, 1998
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter material construction and method
    • Patent number 5,672,399
    • Issue date Sep 30, 1997
    • Donaldson Company, Inc.
    • Brad Kahlbaugh
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Air filtration arrangement
    • Patent number 5,669,949
    • Issue date Sep 23, 1997
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filtration arrangement
    • Patent number 5,622,537
    • Issue date Apr 22, 1997
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER MEDIUM AND BREATHER FILTER STRUCTURE
    • Publication number 20230149840
    • Publication date May 18, 2023
    • Donaldson Company, Inc.
    • Robert M. Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER MEDIUM AND BREATHER FILTER STRUCTURE
    • Publication number 20200330912
    • Publication date Oct 22, 2020
    • Donaldson Company, Inc.
    • Robert M. Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER MEDIA PACK, FILTER ASSEMBLY, AND METHOD
    • Publication number 20190054405
    • Publication date Feb 21, 2019
    • Donaldson Company, Inc.
    • Giancarlo Izzi
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    FILTER MEDIUM AND BREATHER FILTER STRUCTURE
    • Publication number 20170225105
    • Publication date Aug 10, 2017
    • Donaldson Company, Inc.
    • Robert M. Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METHOD AND APPARATUS FOR FORMING A FIBROUS MEDIA
    • Publication number 20130340962
    • Publication date Dec 26, 2013
    • Donaldson Company, Inc.
    • Hemant Gupta
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    FILTER MEDIA PACK, FILTER ASSEMBLY, AND METHOD
    • Publication number 20130327218
    • Publication date Dec 12, 2013
    • Donaldson Company, Inc.
    • Giancarlo Izzi
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Method and Apparatus for Forming a Fibrous Media
    • Publication number 20120312488
    • Publication date Dec 13, 2012
    • Donaldson Company, Inc.
    • Hemant Gupta
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    AEROSOL SEPARATOR; AND METHOD
    • Publication number 20120210689
    • Publication date Aug 23, 2012
    • Donaldson Company, Inc.
    • Robert Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Method and Apparatus for Forming a Fibrous Media
    • Publication number 20100187712
    • Publication date Jul 29, 2010
    • Donaldson Company, Inc.
    • Hemant Gupta
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    Aerosol Separator; and Method
    • Publication number 20080245037
    • Publication date Oct 9, 2008
    • Robert Rogers
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter medium and structure
    • Publication number 20070039300
    • Publication date Feb 22, 2007
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter medium and structure
    • Publication number 20060096263
    • Publication date May 11, 2006
    • Brad E. Kahlbaugh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter material construction and method
    • Publication number 20050210844
    • Publication date Sep 29, 2005
    • Donaldson Company, Inc.
    • Brad kahlbaugh
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    Filter material construction and method
    • Publication number 20030167742
    • Publication date Sep 11, 2003
    • Donaldson Company, Inc.
    • Brad kahlbaugh
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Application

    Filter material construction and method
    • Publication number 20010003082
    • Publication date Jun 7, 2001
    • Donaldson Company, Inc.
    • Brad kahlbaugh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL