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Werner Steffan

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  • Eichenbuhl, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of dosing a starting material for optical lenses
    • Patent number 7,682,532
    • Issue date Mar 23, 2010
    • Novartis AG
    • Peter Hagmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Dosing lance for polymerization material
    • Patent number 6,899,180
    • Issue date May 31, 2005
    • Novartis AG
    • Werner Steffan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Blast nozzle
    • Patent number 6,681,498
    • Issue date Jan 27, 2004
    • Novartis AG
    • Werner Steffan
    • F26 - DRYING
  • Information Patent Grant

    Single mould alignment
    • Patent number 6,627,124
    • Issue date Sep 30, 2003
    • Novartis AG
    • Peter Herbrechtsmeier
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Molding processes
    • Patent number 6,113,817
    • Issue date Sep 5, 2000
    • Novartis AG
    • Peter Herbrechtsmeier
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process and apparatus for the manufacture of a contact lens
    • Patent number 5,894,002
    • Issue date Apr 13, 1999
    • Ciba Vision Corporation
    • Karlheinz Boneberger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Process of dosing a starting material for optical lenses
    • Publication number 20070001329
    • Publication date Jan 4, 2007
    • Peter Hagmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Distributor for dosing a flowable material
    • Publication number 20020185865
    • Publication date Dec 12, 2002
    • Werner Steffan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Blast nozzle
    • Publication number 20020178606
    • Publication date Dec 5, 2002
    • Werner Steffan
    • F26 - DRYING
  • Information Patent Application

    Dosing lance
    • Publication number 20020174883
    • Publication date Nov 28, 2002
    • Werner Steffan
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL