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Rolf Johnen

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  • Wiemersdorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shaft sealing ring
    • Patent number 6,921,080
    • Issue date Jul 26, 2005
    • Dichtungstechnik G. Bruss GmbH & Co.
    • Rolf Johnen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shaft sealing ring
    • Patent number 6,860,486
    • Issue date Mar 1, 2005
    • Dichtungstechnik G. Bruss GmbH & Co. KG
    • Gunther Hacker
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Rotary shaft seal having a PTFE seal lip and a method and apparatus...
    • Patent number 6,079,715
    • Issue date Jun 27, 2000
    • Dichtungstechnik G. Bruss GmbH & Co. KG
    • Rolf Johnen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for manufacturing a cylinder head cover for a combustion eng...
    • Patent number 5,957,100
    • Issue date Sep 28, 1999
    • Dichtungstechnik G. Bruss GmbH & Co. KG
    • Ralf Frohwerk
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Shaft packing
    • Patent number 5,544,895
    • Issue date Aug 13, 1996
    • Dichtungstechnik G. Bruss GmbH & Co. KG
    • Steffen Heine
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for the manufacture of a shaft seal
    • Patent number 5,462,287
    • Issue date Oct 31, 1995
    • Dichtungstechnik G. Bruss GmbH & Co. KG
    • Jurgen Hering
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Shaft seal assembly
    • Patent number 5,462,288
    • Issue date Oct 31, 1995
    • Dichtungstechnik G. Bruss GmbH & Co. KG
    • Jurgen Hering
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Sealing flange for sealing a shaft
    • Publication number 20080007007
    • Publication date Jan 10, 2008
    • Dichtungstechnik G. BRUSS GmbH & Co. KG
    • Rolf Johnen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Shaft sealing ring
    • Publication number 20030189293
    • Publication date Oct 9, 2003
    • Rolf Johnen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Shaft sealing ring
    • Publication number 20030085527
    • Publication date May 8, 2003
    • Gunther Hacker
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE