Patents by Inventor Peter Hartwein

Peter Hartwein 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).

  • Patent number: 5604329
    Abstract: A housing (1) for an electrical device for bodycare, in particular for a tooth cleaning device, is described in which electrical components (8), in particular a charger, surrounded by a casting compound (14) are arranged. The components (8) are connected by an electrical cable (10) which is placed through a cable orifice in the housing (1). The cable orifice (11) is arranged in an external wall (12) of the housing (1) and represents the only orifice in the housing (1) to the electrical components (8). To produce the housing (1), the casting compound (14) is introduced through the cable orifice (11) into the housing (1) by means of a loading device (13).
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: February 18, 1997
    Assignee: Braun Aktiengesellschaft
    Inventors: Gerhard Kressner, Peter Hartwein, Georg Spiekermann
  • Patent number: 5309591
    Abstract: The invention is directed to an electric toothbrush provided with a protective cover which is adapted to be pushed onto the handle section of the toothbrush. The protective cover protects in particular the drive shaft of the toothbrush extending from the handle section from contaminants, liquids as well as the impact of forces. The protective cover is further provided with a safety interlock preventing an accidental operation of the electric toothbrush when the protective cover is seated in place. A notch already provided is used for accomplishing a firm locking engagement of the protective cover with the handle section. The embodiments described cover both an integral and a two-part structure of the protective cover.
    Type: Grant
    Filed: January 14, 1993
    Date of Patent: May 10, 1994
    Assignee: Braun Aktiengesellschaft
    Inventors: Walter Hagele, Peter Hartwein
  • Patent number: D437049
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: January 30, 2001
    Assignee: Braun GmbH
    Inventor: Peter Hartwein
  • Patent number: D440766
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: April 24, 2001
    Assignee: Braun GmbH
    Inventors: Peter Hartwein, Till Winkler
  • Patent number: D508776
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: August 30, 2005
    Assignee: Braun GmbH
    Inventors: Björn Kling, Peter Hartwein, Markus Orthey
  • Patent number: D509585
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: September 13, 2005
    Assignee: Braun GmbH
    Inventors: Bjorn Kling, Peter Hartwein
  • Patent number: D510433
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: October 4, 2005
    Assignee: Braun GmbH
    Inventors: Bjorn Kling, Peter Hartwein
  • Patent number: D512530
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: December 6, 2005
    Assignee: Braun GmbH
    Inventors: Peter Hartwein, Jurgen Greubel
  • Patent number: D484971
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: January 6, 2004
    Assignee: Braun GmbH
    Inventor: Peter Hartwein
  • Patent number: D484980
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: January 6, 2004
    Assignee: Braun GmbH
    Inventors: Peter Hartwein, Jürgen Greubel
  • Patent number: D496103
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: September 14, 2004
    Assignee: Braun GmbH
    Inventor: Peter Hartwein
  • Patent number: D318918
    Type: Grant
    Filed: April 6, 1989
    Date of Patent: August 6, 1991
    Assignee: Braun Aktiengesellschaft
    Inventor: Peter Hartwein
  • Patent number: D353490
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: December 20, 1994
    Assignee: Braun Aktiengesellschaft
    Inventor: Peter Hartwein
  • Patent number: D354168
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: January 10, 1995
    Assignee: Braun Aktiengesellschaft
    Inventor: Peter Hartwein
  • Patent number: D377317
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: January 14, 1997
    Assignee: Braun Aktiengesellschaft
    Inventor: Peter Hartwein
  • Patent number: D377910
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: February 11, 1997
    Assignee: Braun Aktiengesellschaft
    Inventor: Peter Hartwein
  • Patent number: D378282
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: March 4, 1997
    Assignee: Braun Aktiengesellschaft
    Inventor: Peter Hartwein
  • Patent number: D388958
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: January 13, 1998
    Assignee: Braun Aktiengesellschaft
    Inventor: Peter Hartwein
  • Patent number: D407487
    Type: Grant
    Filed: August 5, 1997
    Date of Patent: March 30, 1999
    Assignee: Hoechst Marion Roussel Duetschland
    Inventors: Jurgen Greubel, Peter Hartwein
  • Patent number: D435651
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: December 26, 2000
    Assignee: Braun GmbH
    Inventor: Peter Hartwein