Patents by Inventor Manfred Ohle

Manfred Ohle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Inner cutter for a dry shaving apparatus
    Patent number: 5884404
    Abstract: An inner cutter for a shaving head provided with an outer cutter, of a dry shaving apparatus, the inner cutter including several cutter blades in parallel relative alignment which are formed by means of slots cut into an elongate bar essentially transversely to the bar longitudinal extent, with the ends of the slots being of an arcuate configuration and each cutter blade being provided with a wall thickness D diminishing from a vertex SP of an arcuate end of a slot in the direction of a crest line SP of the bar, wherein the reduction of wall thickness D, extending from the vertex SP, covers an area B which is greater than half the relative distance A of two adjacent cutter blades in the area of the crest line SL.
    Type: Grant
    Filed: November 14, 1996
    Date of Patent: March 23, 1999
    Assignee: Braun Aktiengesellschaft
    Inventors: Manfred Ohle, Carlo Wojciechowski, Bernd Stassen
  • Shaving apparatus
    Patent number: 5343621
    Abstract: The invention is directed to an electric shaving apparatus having a housing and a shaving head assembly which is adapted to pivot relative to the housing about a pivotal axis Z and is comprised of a shaving head frame, a shaving plane formed by at least one outer cutter having arcuate extensions to the longitudinal sides of the shaving head frame, and of at least one inner cutter operatively associated with the outer cutter and driven by a drive mechanism, wherein the outer cutter is arranged in an outer cutter frame member and the outer cutter frame member is mounted in the shaving head frame so as to be pivotal about the pivotal axis Z.
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: September 6, 1994
    Assignee: Braun Aktiengesellschaft
    Inventors: Gerhard Hildebrand, Gunther Seidel, Hans-Eberhard Heintke, Klaus Ramspeck, Reinhold Eichhorn, Helmut Durr, Wolfgang Franke, Gebhard Braun, Manfred Ohle, Roland Ullmann
  • Dry shaving apparatus
    Patent number: 5245754
    Abstract: The invention is directed to a dry shaving apparatus comprising a pair of parallel, elongate shaving heads having inner cutters operatively associated with an outer cutter and arranged on a common coupling member which is coupled to a drive member of an electric drive mechanism, wherein at least one of the inner cutters is movably coupled to the coupling member transversely to the oscillating direction of the inner cutters.
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: September 21, 1993
    Assignee: Braun Aktiengesellschaft
    Inventors: Hans-Eberhard Heintke, Gerhard Hildebrand, Manfred Ohle, Gunther Seidel, Klaus Ramspeck, Wolfgang Franke, Reinhold Eichhorn, Helmut Durr, Gebhard Braun
  • Shaving apparatus
    Patent number: 5235749
    Abstract: The invention is directed to an electric shaving apparatus having a housing and a shaving head assembly which is adapted to pivot relative to the housing about a pivotal axis Z and is comprised of a shaving head frame, a shaving plane formed by at least one outer cutter having arcuate extensions to the longitudinal sides of the shaving head frame, and of at least one inner cutter operatively associated with the outer cutter and driven by a drive mechanism, wherein the outer cutter is arranged in an outer cutter frame member and the outer cutter frame member is mounted in the shaving head frame so as to be pivotal about the pivotal axis Z.
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: August 17, 1993
    Assignee: Braun Aktiengesellschaft
    Inventors: Gerhard Hildebrand, Gunther Seidel, Hans-Eberhard Heintke, Klaus Ramspeck, Reinhold Eichhorn, Helmut Durr, Wolfgang Franke, Gebhard Braun, Manfred Ohle, Roland Ullman