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Robert Allen Dushek

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  • Bloominton, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for emissions control, systems, and methods
    • Patent number 7,607,289
    • Issue date Oct 27, 2009
    • Donaldson Company, Inc.
    • Steve D. Schmeichel
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Apparatus for emissions control, system, and methods
    • Patent number 7,278,259
    • Issue date Oct 9, 2007
    • Donaldson Company, Inc.
    • Steve D. Schmeichel
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Apparatus for emissions control, systems, and methods
    • Patent number 7,257,942
    • Issue date Aug 21, 2007
    • Donaldson Company, Inc.
    • Steve D. Schmeichel
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 7,182,804
    • Issue date Feb 27, 2007
    • Donaldson Company, Inc.
    • Steven S. Gieseke
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 7,081,145
    • Issue date Jul 25, 2006
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Aerosol separator and method
    • Patent number 6,852,148
    • Issue date Feb 8, 2005
    • Donaldson Company, Inc.
    • Steven S. Gieseke
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Aerosol separator and method
    • Patent number 6,758,873
    • Issue date Jul 6, 2004
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Coalescer filter having baffle plate
    • Patent number D476725
    • Issue date Jul 1, 2003
    • Donaldson Company, Inc.
    • Robert Allen Dushek
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 6,540,801
    • Issue date Apr 1, 2003
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 6,530,969
    • Issue date Mar 11, 2003
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 6,355,076
    • Issue date Mar 12, 2002
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 6,290,739
    • Issue date Sep 18, 2001
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Coalescer filter
    • Patent number D440293
    • Issue date Apr 10, 2001
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Panel filter
    • Patent number D439963
    • Issue date Apr 3, 2001
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Coalescer filter element with screen
    • Patent number D439962
    • Issue date Apr 3, 2001
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter element
    • Patent number D438214
    • Issue date Feb 27, 2001
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Air cleaner; aerosol separator; and method
    • Patent number 6,187,073
    • Issue date Feb 13, 2001
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 6,171,355
    • Issue date Jan 9, 2001
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Aerosol separator; and method
    • Patent number 6,143,049
    • Issue date Nov 7, 2000
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

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

    Aerosol separator and method
    • Patent number 5,853,439
    • Issue date Dec 29, 1998
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Apparatus for Emissions Control, Systems, and Methods
    • Publication number 20080104949
    • Publication date May 8, 2008
    • Donaldson Company, Inc.
    • Steve D. Schmeichel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Aerosol separator; and method
    • Publication number 20070144348
    • Publication date Jun 28, 2007
    • Donaldson Company, Inc.
    • Steven S. Gieseke
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Valve arrangement, closed crankcase system, and methods
    • Publication number 20050211232
    • Publication date Sep 29, 2005
    • Robert Allen Dushek
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Aerosol separator; and method
    • Publication number 20050193694
    • Publication date Sep 8, 2005
    • Donaldson Company, Inc.
    • Steven S. Gieseke
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Aerosol separator; and method
    • Publication number 20050005582
    • Publication date Jan 13, 2005
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Apparatus for emissions control, system, and methods
    • Publication number 20040139734
    • Publication date Jul 22, 2004
    • Steve D. Schmeichel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Apparatus for emissions control, systems, and methods
    • Publication number 20040093859
    • Publication date May 20, 2004
    • Steve D. Schmeichel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Aerosol separator; and method
    • Publication number 20040040269
    • Publication date Mar 4, 2004
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Aerosol separator and method
    • Publication number 20030051455
    • Publication date Mar 20, 2003
    • Steven S. Gieseke
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Aerosol separator; and method
    • Publication number 20020092280
    • Publication date Jul 18, 2002
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Aerosol separator; and method
    • Publication number 20020033009
    • Publication date Mar 21, 2002
    • Donaldson Company, Inc.
    • Steven Scott Gieseke
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Aerosol separator; and method
    • Publication number 20010005982
    • Publication date Jul 5, 2001
    • Donaldson Company, Inc. Minneapolis, MN
    • Steven Scott Gieseke
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL