Patents by Inventor Cornelia Seifert

Cornelia Seifert 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: 5771904
    Abstract: The invention is directed to bristles for a hairbrush, in particular for employment in an appliance for personal use as, for example, a curling iron, a curling brush, a hair dryer or the like, including a bristle base (3) and a bristle head (5). In this arrangement, the bristle base (3) is adapted to be fastened to a bristle supporting structure (7). The bristles (1) include at least two sections (9, 11) with cross-sectional areas of different sizes. A section with an increased cross-sectional area (11) adjoins the bristle base (3) having a reduced cross-sectional area, so that the bristle (1) is provided with a neck portion (17) between the bristle supporting structure (7) and the section with the increased cross-sectional area (11).
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: June 30, 1998
    Assignee: Braun Aktienfesellschaft
    Inventors: Peter Lange, Peter Ruppert, Cornelia Seifert
  • Patent number: D502603
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: March 8, 2005
    Assignee: The Gillette Company
    Inventors: Cornelia Seifert, Björn Kling, Duy Phong Vu, Petra Ansari, Conrad Berghammer, Andreas Birk, Gerhard Finger, Manfred Klawuhn, Joachim Klimeck, Joachim Wilhelm
  • Patent number: D507114
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: July 12, 2005
    Assignee: The Gillette Company
    Inventors: Cornelia Seifert, Björn Kling, Duy Phong Vu, Petra Ansari, Conrad Berghammer, Andreas Birk, Gerhard Finger, Manfred Klawuhn, Joachim Klimeck, Joachim Wilhelm
  • Patent number: D482821
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: November 25, 2003
    Assignee: Braun GmbH
    Inventor: Cornelia Seifert
  • Patent number: D379766
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: June 10, 1997
    Assignee: The Gillette Company
    Inventors: Peter Schneider, Cornelia Seifert
  • Patent number: D383245
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: September 2, 1997
    Assignee: Braun Aktiengesellschaft
    Inventor: Cornelia Seifert
  • Patent number: D385705
    Type: Grant
    Filed: October 23, 1995
    Date of Patent: November 4, 1997
    Assignee: Braun Aktiengesellschaft
    Inventor: Cornelia Seifert
  • Patent number: D386816
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: November 25, 1997
    Assignee: Braun Aktiengesellschaft
    Inventor: Cornelia Seifert
  • Patent number: D389953
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: January 27, 1998
    Assignee: Braun Aktiengesellschaft
    Inventor: Cornelia Seifert
  • Patent number: D390783
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: February 17, 1998
    Assignee: The Gillette Company
    Inventors: Peter Schneider, Cornelia Seifert, Jurgen Greubel
  • Patent number: D391019
    Type: Grant
    Filed: October 23, 1995
    Date of Patent: February 17, 1998
    Assignee: Braun Aktiengesellschaft
    Inventor: Cornelia Seifert
  • Patent number: D401381
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: November 17, 1998
    Assignee: Braun Aktiengesellschaft
    Inventor: Cornelia Seifert
  • Patent number: D401382
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: November 17, 1998
    Assignee: Braun Aktiengesellschaft
    Inventor: Cornelia Seifert
  • Patent number: D425663
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: May 23, 2000
    Assignee: Braun GmbH
    Inventors: Jurgen Greubel, Cornelia Seifert, Till Winkler