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Stefan Ruppel

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  • Heidelberg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid mist separation device
    • Patent number 10,300,416
    • Issue date May 28, 2019
    • Mahle International GmbH
    • Armando Coelho
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump device for driving blow-by-gas
    • Patent number 10,253,662
    • Issue date Apr 9, 2019
    • Mahle International GmbH
    • Alfred Elsaesser
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cylinder head cover
    • Patent number 9,932,927
    • Issue date Apr 3, 2018
    • Mahle International GmbH
    • Stefan Ruppel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Crankcase ventilation apparatus
    • Patent number 9,932,869
    • Issue date Apr 3, 2018
    • Mahle International GmbH
    • Dimitri An
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil mist separator
    • Patent number 9,885,266
    • Issue date Feb 6, 2018
    • Mahle International GmbH
    • Stefan Ruppel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Separation device for an aerosol stream
    • Patent number 9,598,992
    • Issue date Mar 21, 2017
    • Mahle International GmbH
    • Stefan Ruppel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Crankcase ventilation device
    • Patent number 9,238,980
    • Issue date Jan 19, 2016
    • Mahle International GmbH
    • Dimitri An
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cylinder head cover
    • Patent number 9,175,636
    • Issue date Nov 3, 2015
    • Mahle International GmbH
    • Robert Dunsch
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Oil mist separator
    • Patent number 9,080,477
    • Issue date Jul 14, 2015
    • Mahle International GmbH
    • Stefan Ruppel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Internal combustion engine
    • Patent number 8,960,170
    • Issue date Feb 24, 2015
    • Mahle International GmbH
    • Leszek Goerlich
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Device for venting a crank space
    • Patent number 8,893,688
    • Issue date Nov 25, 2014
    • Mahle International GmbH
    • Stefan Ruppel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pressure control valve
    • Patent number 8,733,402
    • Issue date May 27, 2014
    • Mahle International GmbH
    • Leszek Goerlich
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Device for ventilating a crankcase
    • Patent number 8,607,767
    • Issue date Dec 17, 2013
    • Mahle International GmbH
    • Stefan Ruppel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cylinder head of an internal combustion engine
    • Patent number 8,573,188
    • Issue date Nov 5, 2013
    • Mahle International GmbH
    • Mirko Braun
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Oil mist separator
    • Patent number 8,485,164
    • Issue date Jul 16, 2013
    • Mahle International GmbH
    • Stefan Ruppel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Ventilation device for a forced induction internal combustion engine
    • Patent number 8,439,022
    • Issue date May 14, 2013
    • Mahle International GmbH
    • Stefan Ruppel
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Crank case ventilator
    • Patent number 8,393,315
    • Issue date Mar 12, 2013
    • Mahle International GmbH
    • Stefan Ruppel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Oil mist separator
    • Patent number 8,388,713
    • Issue date Mar 5, 2013
    • Mahle International GmbH
    • Andreas Enderich
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Deaerating and aerating device for a supercharged internal combusti...
    • Patent number 8,191,538
    • Issue date Jun 5, 2012
    • Mahle International GmbH
    • Mirko Braun
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion engine with a camshaft bearing device
    • Patent number 8,166,940
    • Issue date May 1, 2012
    • Mahle International GmbH
    • Uwe Grass
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Device for separating a gas-liquid mixture, in particular during ve...
    • Patent number 7,850,754
    • Issue date Dec 14, 2010
    • Mahle International GmbH
    • Stefan Ruppel
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Cylinder head cover
    • Patent number 7,845,322
    • Issue date Dec 7, 2010
    • Mahle International GmbH
    • Robert Dunsch
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Device for separating a gas-liquid mixture
    • Patent number 7,799,109
    • Issue date Sep 21, 2010
    • Mahle International GmbH
    • Robert Dunsch
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID MIST SEPARATION DEVICE
    • Publication number 20190070543
    • Publication date Mar 7, 2019
    • MAHLE International GmbH
    • Armando Coelho
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PUMP DEVICE FOR DRIVING BLOW-BY-GAS
    • Publication number 20180030868
    • Publication date Feb 1, 2018
    • MAHLE International GmbH
    • Alfred Elsaesser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRANKCASE VENTILATION APPARATUS
    • Publication number 20160138442
    • Publication date May 19, 2016
    • MAHLE International GmbH
    • Dimitri An
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CYLINDER HEAD COVER
    • Publication number 20160076479
    • Publication date Mar 17, 2016
    • MAHLE International GmbH
    • Stefan RUPPEL
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SEPARATION DEVICE FOR AN AEROSOL STREAM
    • Publication number 20150337698
    • Publication date Nov 26, 2015
    • MAHLE International GmbH
    • Stefan Ruppel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    OIL MIST SEPARATOR
    • Publication number 20150275720
    • Publication date Oct 1, 2015
    • MAHLE International GmbH
    • Stefan Ruppel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CRANKCASE VENTILATION DEVICE
    • Publication number 20150020785
    • Publication date Jan 22, 2015
    • MAHLE International GmbH
    • Dimitri An
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE
    • Publication number 20130061832
    • Publication date Mar 14, 2013
    • Leszek Goerlich
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    OIL MIST SEPARATOR
    • Publication number 20120159912
    • Publication date Jun 28, 2012
    • Stefan Ruppel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PRESSURE CONTROL VALVE
    • Publication number 20110174397
    • Publication date Jul 21, 2011
    • Leszek Goerlich
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    OIL MIST SEPARATOR
    • Publication number 20110036242
    • Publication date Feb 17, 2011
    • Andreas Enderich
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CYLINDER HEAD COVER
    • Publication number 20110005490
    • Publication date Jan 13, 2011
    • Robert Dunsch
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CRANK CASE VENTILATOR
    • Publication number 20100313830
    • Publication date Dec 16, 2010
    • Stefan Ruppel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OIL MIST SEPARATOR
    • Publication number 20100307466
    • Publication date Dec 9, 2010
    • Stefan Ruppel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    DEVICE FOR VENTILATING A CRANKCASE
    • Publication number 20100294218
    • Publication date Nov 25, 2010
    • Stefan Ruppel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DEVICE FOR VENTILATING A CRANK SPACE
    • Publication number 20100006075
    • Publication date Jan 14, 2010
    • Stefan Ruppel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DEAERATING AND AERATING DEVICE FOR A SUPERCHARGED INTERNAL COMBUSTI...
    • Publication number 20100000499
    • Publication date Jan 7, 2010
    • Mirko Braun
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VENTILATION DEVICE FOR A FORCED INDUCTION INTERNAL COMBUSTION ENGINE
    • Publication number 20090320809
    • Publication date Dec 31, 2009
    • Stefan Ruppel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DEVICE FOR SEPARATING A GAS-LIQUID MIXTURE, IN PARTICULAR DURING VE...
    • Publication number 20090288560
    • Publication date Nov 26, 2009
    • Stefan Ruppel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CYLINDER HEAD OF AN INTERNAL COMBUSTION ENGINE
    • Publication number 20090250044
    • Publication date Oct 8, 2009
    • Mirko Braun
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    BEARING DEVICE
    • Publication number 20090169142
    • Publication date Jul 2, 2009
    • Uwe Grass
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CYLINDER HEAD COVER
    • Publication number 20080295796
    • Publication date Dec 4, 2008
    • Robert Dunsch
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Device For Separating a Gas-Liquid Mixture
    • Publication number 20080155949
    • Publication date Jul 3, 2008
    • Robert Dunsch
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL