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Rolf Lappan

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  • Koeln, DE
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    VALVE DEVICE FOR A HYDRAULIC CIRCUIT AND OIL PUMP CONTROL APPARATUS
    • Publication number 20150377376
    • Publication date Dec 31, 2015
    • PIERBURG GMBH
    • ROLF LAPPAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE DEVICE FOR A HYDRAULIC CIRCUIT AND OIL PUMP REGULATING ARRANG...
    • Publication number 20150330271
    • Publication date Nov 19, 2015
    • PIERBURG GMBH
    • Rolf Lappan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLOW CASING FOR AN OIL VALVE
    • Publication number 20150285395
    • Publication date Oct 8, 2015
    • PIERBURG GMBH
    • Rolf Lappan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE DEVICE FOR A HYDRAULIC CIRCUIT, AND OIL PUMP CONTROL ASSEMBLY
    • Publication number 20150139840
    • Publication date May 21, 2015
    • PIERBURG GMBH
    • Rolf Lappan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE DEVICE FOR A HYDRAULIC CIRCUIT, AND OIL-PUMP REGULATING ARRAN...
    • Publication number 20140326911
    • Publication date Nov 6, 2014
    • PIERBURG GMBH
    • Rolf Lappan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SOLENOID VALVE
    • Publication number 20130284960
    • Publication date Oct 31, 2013
    • PIERBURG GMBH
    • Franz-Josef Schnelker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SOLENOID VALVE
    • Publication number 20130284961
    • Publication date Oct 31, 2013
    • PIERBURG GMBH
    • Franz-Josef Schnelker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SOLENOID VALVE
    • Publication number 20130264507
    • Publication date Oct 10, 2013
    • PIERBURG GMBH
    • Franz-Josef Schnelker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SOLENOID VALVE
    • Publication number 20130264506
    • Publication date Oct 10, 2013
    • Franz-Josef Schnelker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLUID PRESSURE REVERSING VALVE
    • Publication number 20130099144
    • Publication date Apr 25, 2013
    • PIERBURG GMBH
    • Werner Buse
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Device for the reduction of nitrogen oxides in the exhaust gas of i...
    • Publication number 20090257924
    • Publication date Oct 15, 2009
    • PIERBURG GMBH
    • Heinrich Dismon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Ball valve
    • Publication number 20040036052
    • Publication date Feb 26, 2004
    • PIERBURG GMBH
    • Martin Nowak
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Flap valve for fuel aggregates
    • Publication number 20030164464
    • Publication date Sep 4, 2003
    • PIERBURG GMBH
    • Peter Haushaelter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    High-pressure valve
    • Publication number 20030155544
    • Publication date Aug 21, 2003
    • PIERBURG GMBH
    • Rolf Lappan
    • H01 - BASIC ELECTRIC ELEMENTS