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Kenneth M. Tofsland

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  • Stoughton, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Anti-rotation features for crankcase ventilation filters
    • Patent number 12,071,873
    • Issue date Aug 27, 2024
    • Cummins Filtration IP, Inc.
    • Chirag D. Parikh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Panel filter element
    • Patent number 12,053,731
    • Issue date Aug 6, 2024
    • Cummins Filtration IP, Inc.
    • Mark V. Holzmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Methods of attaching a flat layer to a hub of an axial flow element
    • Patent number 12,018,601
    • Issue date Jun 25, 2024
    • Cummins Filtration IP, Inc.
    • Kenneth M. Tofsland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Electric motor integrated rotating crankcase ventilation filter ass...
    • Patent number 11,988,121
    • Issue date May 21, 2024
    • Cummins Filtration Inc.
    • Chirag D. Parikh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Curved lobed seal lock air filter system
    • Patent number 11,969,687
    • Issue date Apr 30, 2024
    • Cummins Filtration IP, Inc.
    • Mark V. Holzmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Axial flow centrifugal separator
    • Patent number 11,951,431
    • Issue date Apr 9, 2024
    • Cummins Filtration IP, Inc.
    • Christopher E. Holm
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Utilizing a mechanical seal between a filter media and an endcap of...
    • Patent number 11,654,385
    • Issue date May 23, 2023
    • Cummins Filtration IP, Inc.
    • Himani Deshpande
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Interlock for genuine filter recognition
    • Patent number 11,633,684
    • Issue date Apr 25, 2023
    • Cummins Filtration IP, Inc.
    • Sonal Laxman Chirme
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Curved lobed seal lock air filter system
    • Patent number 11,547,965
    • Issue date Jan 10, 2023
    • Cummins Filtration IP, Inc.
    • Mark V. Holzmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Axial flow centrifugal separator
    • Patent number 11,446,598
    • Issue date Sep 20, 2022
    • Cummins Filtration IP, Inc.
    • Christopher E. Holm
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Panel filter element
    • Patent number 11,369,910
    • Issue date Jun 28, 2022
    • Cummins Filtration IP, Inc.
    • Mark V. Holzmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Torsional no filter no run system and method
    • Patent number 11,331,606
    • Issue date May 17, 2022
    • Cummins Filtration IP, Inc.
    • Ranjeet Roy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Interlock for genuine filter recognition
    • Patent number 11,192,055
    • Issue date Dec 7, 2021
    • Cummins Filtration IP, Inc.
    • Sonal Laxman Chirme
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter with variable cross-section axial seal
    • Patent number 11,020,698
    • Issue date Jun 1, 2021
    • Cummins Filtration IP, Inc.
    • Ken Tofsland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air induction systems for internal combustion engines
    • Patent number 10,544,759
    • Issue date Jan 28, 2020
    • Cummins Filtration IP, Inc.
    • Mark V. Holzmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air induction systems for internal combustion engines
    • Patent number 9,822,741
    • Issue date Nov 21, 2017
    • Cummins Filtration IP, Inc.
    • Mark V. Holzmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cost-effective tunable precleaner
    • Patent number 8,951,337
    • Issue date Feb 10, 2015
    • Cummins Filtration IP Inc.
    • Kenneth M. Tofsland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Pleated filter element with tapering bend lines
    • Patent number 8,397,920
    • Issue date Mar 19, 2013
    • Cummins Filtration IP Inc.
    • Jerald J. Moy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air precleaning apparatus
    • Patent number 5,320,653
    • Issue date Jun 14, 1994
    • Nelson Industries, Inc.
    • Jeffrey S. Morgan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Liquid-gas separator
    • Patent number 4,878,929
    • Issue date Nov 7, 1989
    • Nelson Industries Inc.
    • Kenneth M. Tofsland
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    CRANKCASE VENTILATION FILTERS WITH AXIAL SEAL MEMBER
    • Publication number 20240376837
    • Publication date Nov 14, 2024
    • Cummins Filtration Inc.
    • Chirag D. Parikh
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    METHODS OF ATTACHING A FLAT LAYER TO A HUB OF AN AXIAL FLOW ELEMENT
    • Publication number 20240337206
    • Publication date Oct 10, 2024
    • CUMMINS FILTRATION IP, INC.
    • Kenneth M. Tofsland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AXIAL FLOW CENTRIFUGAL SEPARATOR
    • Publication number 20240269592
    • Publication date Aug 15, 2024
    • CUMMINS FILTRATION IP, INC.
    • Christopher E. Holm
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ELECTRIC MOTOR INTEGRATED ROTATING CRANKCASE VENTILATION FILTER ASS...
    • Publication number 20230085051
    • Publication date Mar 16, 2023
    • Cummins Filtration Inc.
    • Chirag D. Parikh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CURVED LOBED SEAL LOCK AIR FILTER SYSTEM
    • Publication number 20230030407
    • Publication date Feb 2, 2023
    • CUMMINS FILTRATION IP, INC.
    • Mark V. Holzmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FORMED FILTER MEDIA
    • Publication number 20230018748
    • Publication date Jan 19, 2023
    • Cummins Filtration Inc.
    • Mark P. Adams
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AXIAL FLOW CENTRIFUGAL SEPARATOR
    • Publication number 20220387920
    • Publication date Dec 8, 2022
    • CUMMINS FILTRATION IP, INC.
    • Christopher E. Holm
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ASSEMBLIES AND ELEMENTS UTILIZING MULTILAYERED AND WRAPPED F...
    • Publication number 20220355235
    • Publication date Nov 10, 2022
    • CUMMINS FILTRATION IP, INC.
    • Kelly A. Detra
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PANEL FILTER ELEMENT
    • Publication number 20220297048
    • Publication date Sep 22, 2022
    • CUMMINS FILTRATION IP, INC.
    • Mark V. Holzmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Torsional No Filter No Run System and Method
    • Publication number 20220258082
    • Publication date Aug 18, 2022
    • CUMMINS FILTRATION IP, INC.
    • Ranjeet Roy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METHODS OF ATTACHING A FLAT LAYER TO A HUB OF AN AXIAL FLOW ELEMENT
    • Publication number 20220235682
    • Publication date Jul 28, 2022
    • CUMMINS FILTRATION IP, INC.
    • Kenneth M. Tofsland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CURVED LOBED SEAL LOCK AIR FILTER SYSTEM
    • Publication number 20220143540
    • Publication date May 12, 2022
    • CUMMINS FILTRATION IP, INC.
    • Mark V. Holzmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    INTERLOCK FOR GENUINE FILTER RECOGNITION
    • Publication number 20220080344
    • Publication date Mar 17, 2022
    • CUMMINS FILTRATION IP, INC.
    • Sonal Laxman Chirme
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ANTI-ROTATION FEATURES FOR CRANKCASE VENTILATION FILTERS
    • Publication number 20210189926
    • Publication date Jun 24, 2021
    • CUMMINS FILTRATION IP, INC.
    • Chirag D. Parikh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    INTERLOCK FOR GENUINE FILTER RECOGNITION
    • Publication number 20210023492
    • Publication date Jan 28, 2021
    • CUMMINS FILTRATION IP, INC,
    • Sonal Laxman Chirme
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter with Variable Cross-Section Axial Seal
    • Publication number 20200261837
    • Publication date Aug 20, 2020
    • CUMMINS FILTRATION IP, INC.
    • Ken Tofsland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AXIAL FLOW CENTRIFUGAL SEPARATOR
    • Publication number 20200171420
    • Publication date Jun 4, 2020
    • Cummins Filtration IP Inc.
    • Christopher E. Holm
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PANEL FILTER ELEMENT
    • Publication number 20200061512
    • Publication date Feb 27, 2020
    • CUMMINS FILTRATION IP, INC.
    • Mark V. Holzmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Torsional No Filter No Run System and Method
    • Publication number 20190046905
    • Publication date Feb 14, 2019
    • CUMMINS FILTRATION IP, INC.
    • Ranjeet Roy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    UTILIZING A MECHANICAL SEAL BETWEEN A FILTER MEDIA AND AN ENDCAP OF...
    • Publication number 20190046911
    • Publication date Feb 14, 2019
    • CUMMINS FILTRATION IP, INC.
    • Himani Deshpande
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AIR INDUCTION SYSTEMS FOR INTERNAL COMBUSTION ENGINES
    • Publication number 20180045148
    • Publication date Feb 15, 2018
    • CUMMINS FILTRATION IP, INC.
    • Mark V. Holzmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FILTER ELEMENT WITH VARIED FILTER MEDIA PACK CHARACTERISTICS
    • Publication number 20170197165
    • Publication date Jul 13, 2017
    • CUMMINS FILTRATION IP, INC.
    • Scott W. SCHWARTZ
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Air Induction Systems for Internal Combustion Engines
    • Publication number 20160003201
    • Publication date Jan 7, 2016
    • CUMMINS FILTRATION IP, INC.
    • Mark V. Holzmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Dual Flow Filter Element
    • Publication number 20140014597
    • Publication date Jan 16, 2014
    • CUMMINS FILTRATION IP, INC.
    • Jessie A. Knight
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Cost-Effective Tunable Precleaner
    • Publication number 20120234168
    • Publication date Sep 20, 2012
    • Cummins Filtration IP Inc.
    • Kenneth M. Tofsland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Pleated Filter Element with Tapering Bend Lines
    • Publication number 20120118814
    • Publication date May 17, 2012
    • Cummins Filtration IP Inc.
    • Jerald J. Moy
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL