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Klaus-Dieter Ruhland

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  • Meckenheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Particle discharge device, filter assembly, and method
    • Patent number 11,918,944
    • Issue date Mar 5, 2024
    • MANN+HUMMEL GMBH
    • Klaus-Dieter Ruhland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Secondary filter element and filter arrangement
    • Patent number 11,725,615
    • Issue date Aug 15, 2023
    • MANN+HUMMEL GMBH
    • Dennis Stark
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter and filter cartridge
    • Patent number 11,719,202
    • Issue date Aug 8, 2023
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter element, element frame of a filter element, filter bellows o...
    • Patent number 11,697,084
    • Issue date Jul 11, 2023
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element and air cleaner assembly
    • Patent number 11,591,993
    • Issue date Feb 28, 2023
    • MANN+HUMMEL GMBH
    • Timothy S. Finn
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter device
    • Patent number 11,311,890
    • Issue date Apr 26, 2022
    • MANN+HUMMEL GMBH
    • Juergen Schmitt
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Multi-cyclone separator of a multi-stage fluid filter for cleaning...
    • Patent number 11,311,891
    • Issue date Apr 26, 2022
    • MANN+HUMMEL GMBH
    • Klaus-Dieter Ruhland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element, element frame of a filter element, filter bellows o...
    • Patent number 11,273,402
    • Issue date Mar 15, 2022
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter housing and filter
    • Patent number 11,092,118
    • Issue date Aug 17, 2021
    • MANN+HUMMEL GMBH
    • Klaus-Dieter Ruhland
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter and filter cartridge
    • Patent number 10,961,957
    • Issue date Mar 30, 2021
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter and filter cartridge
    • Patent number 10,954,899
    • Issue date Mar 23, 2021
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter and filter cartridge
    • Patent number 10,865,749
    • Issue date Dec 15, 2020
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Housing main part of a filter housing, filter system, and pre-separ...
    • Patent number 10,799,823
    • Issue date Oct 13, 2020
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter element
    • Patent number 10,408,173
    • Issue date Sep 10, 2019
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter and filter cartridge
    • Patent number 10,337,471
    • Issue date Jul 2, 2019
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter and filter cartridge
    • Patent number 10,337,472
    • Issue date Jul 2, 2019
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filter system and air filter element for an air filter system
    • Patent number 10,293,294
    • Issue date May 21, 2019
    • MANN+HUMMEL GMBH
    • Klaus-Dieter Ruhland
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filter system, air filter element and method for exchanging an...
    • Patent number 10,245,541
    • Issue date Apr 2, 2019
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Hollow filter element, grip device of a hollow filter element, and...
    • Patent number 10,159,923
    • Issue date Dec 25, 2018
    • MANN+HUMMEL GMBH
    • Klaus-Dieter Ruhland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air filter element
    • Patent number 10,138,852
    • Issue date Nov 27, 2018
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter housing
    • Patent number D834166
    • Issue date Nov 20, 2018
    • MANN+HUMMEL GMBH
    • Klaus-Dieter Ruhland
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter housing
    • Patent number D817468
    • Issue date May 8, 2018
    • MANN+HUMMEL GMBH
    • Klaus-Dieter Ruhland
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Air filter element
    • Patent number 9,657,695
    • Issue date May 23, 2017
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter system with sensor socket
    • Patent number 9,649,585
    • Issue date May 16, 2017
    • MANN+HUMMEL GMBH
    • Oliver Steins
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter system having a support tube
    • Patent number 9,623,358
    • Issue date Apr 18, 2017
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter housing and filter assembly
    • Patent number 9,587,598
    • Issue date Mar 7, 2017
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filter system and air filter element for an air filter system
    • Patent number 9,511,317
    • Issue date Dec 6, 2016
    • MANN+HUMMEL GMBH
    • Klaus-Dieter Ruhland
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air filter element, filter housing and filter arrangement
    • Patent number 9,486,729
    • Issue date Nov 8, 2016
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filter element and filter system with a filter element
    • Patent number 9,457,308
    • Issue date Oct 4, 2016
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter system with filter element
    • Patent number 9,457,307
    • Issue date Oct 4, 2016
    • MANN+HUMMEL GMBH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Filter Element, Element Frame of a Filter Element, Filter Bellows o...
    • Publication number 20230285885
    • Publication date Sep 14, 2023
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Muffler and Filter System
    • Publication number 20230220822
    • Publication date Jul 13, 2023
    • Mann + Hummel GmbH
    • Dennis Stark
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Filter System and Filter Element
    • Publication number 20230211273
    • Publication date Jul 6, 2023
    • Mann + Hummel GmbH
    • Dennis STARK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Element and Filter System
    • Publication number 20230191305
    • Publication date Jun 22, 2023
    • Mann + Hummel GmbH
    • Dennis STARK
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT AND AIR CLEANER ASSEMBLY
    • Publication number 20230175465
    • Publication date Jun 8, 2023
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    Filter housing of a filter for a fluid and filter
    • Publication number 20220347617
    • Publication date Nov 3, 2022
    • Mann + Hummel GmbH
    • Klaus-Dieter Ruhland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Element, Element Frame of a Filter Element, Filter Bellows o...
    • Publication number 20220266184
    • Publication date Aug 25, 2022
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Element and Filter System
    • Publication number 20220088528
    • Publication date Mar 24, 2022
    • Mann + Hummel GmbH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Particle Discharge Device, Filter Assembly, and Method
    • Publication number 20210299601
    • Publication date Sep 30, 2021
    • Mann + Hummel GmbH
    • Klaus-Dieter Ruhland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter and Filter Cartridge
    • Publication number 20210172409
    • Publication date Jun 10, 2021
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Secondary Filter Element and Filter Arrangement
    • Publication number 20210131389
    • Publication date May 6, 2021
    • Mann + Hummel GmbH
    • Dennis Stark
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Multi-Cyclone Separator of a Multi-Stage Fluid Filter for Cleaning...
    • Publication number 20200030821
    • Publication date Jan 30, 2020
    • Mann + Hummel GmbH
    • Klaus-Dieter Ruhland
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    Filter Device
    • Publication number 20200030820
    • Publication date Jan 30, 2020
    • Mann + Hummel GmbH
    • Juergen Schmitt
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    Filter and Filter Cartridge
    • Publication number 20190353123
    • Publication date Nov 21, 2019
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter and Filter Cartridge
    • Publication number 20190353122
    • Publication date Nov 21, 2019
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter and Filter Cartridge
    • Publication number 20190293034
    • Publication date Sep 26, 2019
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Filter Element, in Particular for Gas Filtration
    • Publication number 20190134549
    • Publication date May 9, 2019
    • Mann + Hummel GmbH
    • Martin Klein
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Housing and Filter
    • Publication number 20180363598
    • Publication date Dec 20, 2018
    • Mann + Hummel GmbH
    • Klaus-Dieter RUHLAND
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Filter Element, Element Frame of a Filter Element, Filter Bellows o...
    • Publication number 20180339254
    • Publication date Nov 29, 2018
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Housing Main Part of a Filter Housing, Filter System, and Pre-Separ...
    • Publication number 20170304760
    • Publication date Oct 26, 2017
    • Mann + Hummel GmbH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Air filter element
    • Publication number 20170276100
    • Publication date Sep 28, 2017
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter and Filter Cartridge
    • Publication number 20170096973
    • Publication date Apr 6, 2017
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter and Filter Cartridge
    • Publication number 20170096971
    • Publication date Apr 6, 2017
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter and Filter Cartridge
    • Publication number 20170096972
    • Publication date Apr 6, 2017
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Air filter system and air filter element for an air filter system
    • Publication number 20170036155
    • Publication date Feb 9, 2017
    • Mann + Hummel GmbH
    • Klaus-Dieter RUHLAND
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Air filter system, air filter element and method for exchanging an...
    • Publication number 20160279554
    • Publication date Sep 29, 2016
    • Mann + Hummel GmbH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Hollow Filter Element, Grip Device of a Hollow Filter Element, and...
    • Publication number 20160220935
    • Publication date Aug 4, 2016
    • Mann + Hummel GmbH
    • Klaus-Dieter Ruhland
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Element
    • Publication number 20160201619
    • Publication date Jul 14, 2016
    • Mann + Hummel GmbH
    • Michael KAUFMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Housing and Filter Assembly
    • Publication number 20150176544
    • Publication date Jun 25, 2015
    • Mann + Hummel GmbH
    • Michael Kaufmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter Element and Filter System Having a Filter Element
    • Publication number 20150082982
    • Publication date Mar 26, 2015
    • Mann + Hummel GmbH
    • Klaus-Dieter Ruhland
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS