TREA

David B. HARDER

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  • Burnsville, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid filter arrangement and methods
    • Patent number 12,161,961
    • Issue date Dec 10, 2024
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter with coalescer
    • Patent number 12,036,487
    • Issue date Jul 16, 2024
    • Donaldson Company, Inc.
    • Scott A. Betcher
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid filter arrangement and methods
    • Patent number 11,654,384
    • Issue date May 23, 2023
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter with coalescer
    • Patent number 11,571,641
    • Issue date Feb 7, 2023
    • Donaldson Company, Inc.
    • Scott A. Betcher
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid filter arrangement and methods
    • Patent number 11,369,903
    • Issue date Jun 28, 2022
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid filter arrangement and methods
    • Patent number 10,744,431
    • Issue date Aug 18, 2020
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Canister filter system with drain that cooperates with filter element
    • Patent number 9,511,314
    • Issue date Dec 6, 2016
    • Caterpillar Inc.
    • Mark T. Allott
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filter system
    • Patent number 9,089,795
    • Issue date Jul 28, 2015
    • Caterpillar Inc.
    • Christopher J. Salvador
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filter system
    • Patent number 8,540,080
    • Issue date Sep 24, 2013
    • Caterpillar Inc.
    • Christopher J. Salvador
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Canister filter system with drain that cooperates with filter element
    • Patent number 8,501,003
    • Issue date Aug 6, 2013
    • Caterpillar Inc.
    • Mark T. Allott
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filter system
    • Patent number 8,419,938
    • Issue date Apr 16, 2013
    • Catepillar Inc.
    • Jeffrey R. Ries
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filter system
    • Patent number 8,272,516
    • Issue date Sep 25, 2012
    • Caterpillar Inc.
    • Christopher J. Salvador
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fuel filter
    • Patent number D656577
    • Issue date Mar 27, 2012
    • Caterpillar Inc.
    • Christopher J. Salvador
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fuel filter
    • Patent number D655781
    • Issue date Mar 13, 2012
    • Caterpillar Inc.
    • Christopher J. Salvador
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fuel filter
    • Patent number D655376
    • Issue date Mar 6, 2012
    • Caterpillar Inc.
    • Christopher J. Salvador
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fuel filter
    • Patent number D648822
    • Issue date Nov 15, 2011
    • Caterpillar Inc.
    • Christopher J. Salvador
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fuel filter
    • Patent number D646750
    • Issue date Oct 11, 2011
    • Caterpillar Inc.
    • Christopher J. Salvador
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter
    • Patent number D646751
    • Issue date Oct 11, 2011
    • Caterpillar Inc.
    • Christopher J. Salvador
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter
    • Patent number D646350
    • Issue date Oct 4, 2011
    • Caterpillar Inc.
    • Christopher J. Salvador
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fluid filter and methods
    • Patent number 7,556,155
    • Issue date Jul 7, 2009
    • Donaldson Company, Inc.
    • David B. Harder
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Liquid filter construction and methods
    • Patent number 6,384,369
    • Issue date May 7, 2002
    • Donaldson Company, Inc.
    • Eivind Stenersen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID FILTER ARRANGEMENT AND METHODS
    • Publication number 20230285882
    • Publication date Sep 14, 2023
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FUEL FILTER WITH COALESCER
    • Publication number 20230173413
    • Publication date Jun 8, 2023
    • Donaldson Company, Inc.
    • Scott A. BETCHER
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID FILTER ARRANGEMENT AND METHODS
    • Publication number 20220323889
    • Publication date Oct 13, 2022
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER CARTRIDGE HAVING AIR VENT WITH RESTRICTION, ASSEMBLIES, AND...
    • Publication number 20210379515
    • Publication date Dec 9, 2021
    • Donaldson Company, Inc.
    • David B. HARDER
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID FILTER ARRANGEMENT AND METHODS
    • Publication number 20210016212
    • Publication date Jan 21, 2021
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FUEL FILTER WITH COALESCER
    • Publication number 20200406169
    • Publication date Dec 31, 2020
    • Donaldson Company, Inc.
    • Scott A. BETCHER
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID FILTER ARRANGEMENT AND METHODS
    • Publication number 20190060808
    • Publication date Feb 28, 2019
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID FILTER ARRANGEMENT AND METHODS
    • Publication number 20170252682
    • Publication date Sep 7, 2017
    • Donaldson Company, Inc.
    • Michael J. Gustafson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FLUID FILTER SYSTEM
    • Publication number 20170014734
    • Publication date Jan 19, 2017
    • Caterpillar Inc.
    • CHRISTOPHER J. SALVADOR
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FLUID FILTER SYSTEM
    • Publication number 20130334147
    • Publication date Dec 19, 2013
    • Caterpillar Inc.
    • Christopher J. SALVADOR
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CANISTER FILTER SYSTEM WITH DRAIN THAT COOPERATES WITH FILTER ELEMENT
    • Publication number 20130313183
    • Publication date Nov 28, 2013
    • Caterpillar Inc.
    • Mark T. Allott
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID FILTER ASSEMBLY
    • Publication number 20130248436
    • Publication date Sep 26, 2013
    • Donaldson Company, Inc.
    • John R. Hacker
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FLUID FILTER SYSTEM
    • Publication number 20130206678
    • Publication date Aug 15, 2013
    • Caterpillar, Inc.
    • Jeffrey R. Ries
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FLUID FILTER SYSTEM
    • Publication number 20130033006
    • Publication date Feb 7, 2013
    • Caterpillar Inc.
    • Christopher J. Salvador
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fluid Filter System
    • Publication number 20110132828
    • Publication date Jun 9, 2011
    • Caterpillar, Inc.
    • Jeffrey R. RIES
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Canister Filter System With Drain That Cooperates With Filter Element
    • Publication number 20110073537
    • Publication date Mar 31, 2011
    • Caterpillar, Inc.
    • Mark T. Allott
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fluid filter system
    • Publication number 20090127198
    • Publication date May 21, 2009
    • Caterpillar Inc.
    • Christopher J. Salvador
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fluid Filter and Methods
    • Publication number 20090008320
    • Publication date Jan 8, 2009
    • DONALDSON COMPANY INC.
    • David B. Harder
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ROLLED AXIAL FLOW FILTER AND METHODS
    • Publication number 20080000826
    • Publication date Jan 3, 2008
    • David B. Harder
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter assemblies and methods
    • Publication number 20060207948
    • Publication date Sep 21, 2006
    • John R. Hacker
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Fluid filter and methods
    • Publication number 20060157403
    • Publication date Jul 20, 2006
    • Donaldson Company, Inc.
    • David B Harder
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Liquid filter having interchangeable spin-on canister filter and ca...
    • Publication number 20040079693
    • Publication date Apr 29, 2004
    • Donaldson Company, Inc.
    • John R. Hacker
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Liquid filter construction and methods
    • Publication number 20020139735
    • Publication date Oct 3, 2002
    • Donaldson Company, Inc.
    • Eivind Stenersen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Liquid filter having interchangeable spin-on canister filter and ca...
    • Publication number 20020125188
    • Publication date Sep 12, 2002
    • John R. Hacker
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL