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John T. Herman

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  • Rhinelander, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Diesel particulate filter regeneration system including shore station
    • Patent number 8,844,270
    • Issue date Sep 30, 2014
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust treatment device with electric regeneration system
    • Patent number 8,769,938
    • Issue date Jul 8, 2014
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Apparatus for cleaning exhaust aftertreatment devices and methods
    • Patent number 8,256,060
    • Issue date Sep 4, 2012
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust treatment device with electric regeneration system
    • Patent number 8,117,832
    • Issue date Feb 21, 2012
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Apparatus for cleaning exhaust aftertreatment devices and methods
    • Patent number 7,410,530
    • Issue date Aug 12, 2008
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust filter
    • Patent number 7,294,162
    • Issue date Nov 13, 2007
    • Donaldson Company, Inc.
    • Steve Anderson
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Flexible pipe with compressed ends
    • Patent number 6,508,277
    • Issue date Jan 21, 2003
    • Donaldson Company, Inc.
    • Julian A. Imes
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flexible hose and method for manufacturing
    • Patent number 6,311,736
    • Issue date Nov 6, 2001
    • Donaldson Company, Inc.
    • John T. Herman
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Exhaust system clamp
    • Patent number 6,305,054
    • Issue date Oct 23, 2001
    • Donaldson Company, Inc.
    • Julian A. Imes
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    U-bolt clamp for sealing lap joints
    • Patent number 6,234,541
    • Issue date May 22, 2001
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    U-bolt clamp
    • Patent number D436028
    • Issue date Jan 9, 2001
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • D08 - Tools and hardware
  • Information Patent Grant

    Pipe lap joint and methods
    • Patent number 6,123,369
    • Issue date Sep 26, 2000
    • Donaldson Company, Inc.
    • Wayne M. Wagner
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    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

    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

    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
  • Information Patent Grant

    Filtration arrangement
    • Patent number 5,423,892
    • Issue date Jun 13, 1995
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filtration arrangement and method
    • Patent number 5,364,456
    • Issue date Nov 15, 1994
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Apparatus for filtering engine exhaust
    • Patent number 5,246,472
    • Issue date Sep 21, 1993
    • Donaldson Company, Inc.
    • John T. Herman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Filtration arrangement
    • Patent number 5,238,474
    • Issue date Aug 24, 1993
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filtration arrangement and method
    • Patent number 5,082,476
    • Issue date Jan 21, 1992
    • Donaldson Company, Inc.
    • Brad E. Kahlbaugh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Multi-phase self purging centrifuge
    • Patent number 4,406,651
    • Issue date Sep 27, 1983
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Coolant recovery system
    • Patent number 4,366,069
    • Issue date Dec 28, 1982
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Self-purging centrifuge
    • Patent number 4,350,282
    • Issue date Sep 21, 1982
    • Donaldson Company, Inc.
    • Denis J. Dudrey
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...

Patents Applicationslast 30 patents