TREA

Dolan Bartels

Follow

Person

  • Delphi, IN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Air cleaner assemblies; filter cartridges therefor; features; and,...
    • Patent number 8,361,181
    • Issue date Jan 29, 2013
    • Donaldson Company, Inc.
    • Richard Osendorf
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter cartridge
    • Patent number D666704
    • Issue date Sep 4, 2012
    • Donaldson Company, Inc.
    • Richard Osendorf
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter cartridge
    • Patent number D646368
    • Issue date Oct 4, 2011
    • Donaldson Company, Inc.
    • Richard Osendorf
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Reverse flow air filter arrangement and method
    • Patent number 7,455,707
    • Issue date Nov 25, 2008
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reverse flow air filter arrangement and method
    • Patent number 6,521,009
    • Issue date Feb 18, 2003
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reverse flow air filter arrangement
    • Patent number 6,413,289
    • Issue date Jul 2, 2002
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reverse flow air filter arrangement
    • Patent number 6,322,602
    • Issue date Nov 27, 2001
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reverse flow air filter arrangement
    • Patent number 6,258,145
    • Issue date Jul 10, 2001
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air filtration arrangements having spacer constructions
    • Patent number 6,099,606
    • Issue date Aug 8, 2000
    • Donaldson Company, Inc.
    • Thomas G. Miller
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Inside surface of a filter element having insert construction
    • Patent number D425977
    • Issue date May 30, 2000
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Inside surface of a filter element having spacer construction
    • Patent number D422071
    • Issue date Mar 28, 2000
    • Donaldson Company, Inc.
    • Thomas G. Miller
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Reverse flow air filter arrangement and method
    • Patent number 6,004,366
    • Issue date Dec 21, 1999
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element
    • Patent number 5,954,849
    • Issue date Sep 21, 1999
    • Donaldson Company, Inc.
    • James Leonard Berkhoel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reverse flow air filter arrangement and method
    • Patent number 5,938,804
    • Issue date Aug 17, 1999
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Reverse flow air filter arrangement and method
    • Patent number 5,897,676
    • Issue date Apr 27, 1999
    • Donaldson Company, Inc.
    • Donald Francis Engel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element
    • Patent number 5,803,941
    • Issue date Sep 8, 1998
    • Donaldson Company, Inc.
    • James Leonard Berkhoel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents