TREA

Jeffrey J. Ivarson

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  • San Rafael, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air cleaner cover
    • Patent number D462117
    • Issue date Aug 27, 2002
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Body member for a housing for an air cleaner
    • Patent number D440645
    • Issue date Apr 17, 2001
    • Donaldson Company, Inc.
    • Paul R. Coulonvaux
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Body member for a housing for an air cleaner
    • Patent number D421110
    • Issue date Feb 22, 2000
    • Donaldson Company, Inc.
    • Paul R. Coulonvaux
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Coalescer filter with rear plate
    • Patent number D420117
    • Issue date Feb 1, 2000
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Safety filter element
    • Patent number D416308
    • Issue date Nov 9, 1999
    • Donaldson Company, Inc.
    • Dennis E. Ward
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter element
    • Patent number D414544
    • Issue date Sep 28, 1999
    • Donaldson Company, Inc.
    • Dennis E. Ward
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Cover for a housing for an air cleaner
    • Patent number D412568
    • Issue date Aug 3, 1999
    • Donaldson Company, Inc.
    • Dennis E. Ward
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Housing for an air cleaner
    • Patent number D412567
    • Issue date Aug 3, 1999
    • Donaldson Company, Inc.
    • Dennis E. Ward
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Coalescer filter
    • Patent number D410010
    • Issue date May 18, 1999
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Body member for a housing for an air cleaner
    • Patent number D407475
    • Issue date Mar 30, 1999
    • Donaldson Company, Inc.
    • Paul R. Coulonvaux
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter element
    • Patent number D401306
    • Issue date Nov 17, 1998
    • Donaldson Company, Inc.
    • Dennis E. Ward
    • D23 - Environmental heating and cooling