TREA

Helmut Durr

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  • Frankfurt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Connector for electric appliances
    • Patent number 6,190,184
    • Issue date Feb 20, 2001
    • Braun Aktiengesellschaft
    • Jochen Cimbal
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Electric shaving apparatus
    • Patent number 5,507,095
    • Issue date Apr 16, 1996
    • Braun Aktiengesellschaft
    • Matthias Wetzel
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Shaving apparatus
    • Patent number 5,343,621
    • Issue date Sep 6, 1994
    • Braun Aktiengesellschaft
    • Gerhard Hildebrand
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Electric shaving apparatus
    • Patent number 5,289,636
    • Issue date Mar 1, 1994
    • Braun Aktiengesellschaft
    • Reinhold Eichhorn
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Shaving apparatus
    • Patent number 5,257,456
    • Issue date Nov 2, 1993
    • Braun Aktiengesellschaft
    • Wolfgang Franke
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Dry shaving apparatus
    • Patent number 5,245,754
    • Issue date Sep 21, 1993
    • Braun Aktiengesellschaft
    • Hans-Eberhard Heintke
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Shaving apparatus
    • Patent number 5,235,749
    • Issue date Aug 17, 1993
    • Braun Aktiengesellschaft
    • Gerhard Hildebrand
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Coupling for the cutter assembly of twin-head shavers
    • Patent number 5,201,781
    • Issue date Apr 13, 1993
    • Braun Aktiengesellschaft
    • Albrecht Jestadt
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Curable mixtures and their use
    • Patent number 4,772,666
    • Issue date Sep 20, 1988
    • Hoechst Aktiengesellschaft
    • Christoph Just
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Swing bridge
    • Patent number 4,570,499
    • Issue date Feb 18, 1986
    • Braun Aktiengesellschaft
    • Helmut Durr
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Process for preparing heat-curable, water-dilutable coating composi...
    • Patent number 4,383,055
    • Issue date May 10, 1983
    • Hoechst Aktiengesellschaft
    • Gerhard Johannes
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water-dilutable binder mixture, and its use for the production of a...
    • Patent number 4,322,325
    • Issue date Mar 30, 1982
    • Hoechst Aktiengesellschaft
    • Klaus Esser
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...