Patents by Inventor Erik Eisenkolb

Erik Eisenkolb 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).

  • Brush attachment for an electric toothbrush
    Patent number: 7690067
    Abstract: The invention is directed to a brush attachment adapted to be attached to and detached from a shaft of a handle of an electric toothbrush, including a bristle area, a brush shank and a plug-on part disposed in the brush shank, wherein the plug-on part includes a first spring element and a second spring element which act on the shaft when the brush attachment is plugged onto the shaft. This establishes a connection without play between the brush attachment and the shaft, enabling relatively high vibration frequencies to be transmitted.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: April 6, 2010
    Assignee: Braun GmbH
    Inventors: Norbert Schaefer, Erik Eisenkolb, Reiner Engelmohr, Hansjörg Reick
  • Brush attachment for an electric toothbrush
    Publication number: 20050108838
    Abstract: The invention is directed to a brush attachment adapted to be attached to and detached from a shaft of a handle of an electric toothbrush, including a bristle area, a brush shank and a plug-on part disposed in the brush shank, wherein the plug-on part includes a first spring element and a second spring element which act on the shaft when the brush attachment is plugged onto the shaft. This establishes a connection without play between the brush attachment and the shaft, enabling relatively high vibration frequencies to be transmitted.
    Type: Application
    Filed: November 9, 2004
    Publication date: May 26, 2005
    Inventors: Norbert Schaefer, Erik Eisenkolb, Reiner Engelmohr, Hansjorg Reick
  • Portion of a toothbrush
    Patent number: D501084
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: January 25, 2005
    Assignee: Braun GmbH
    Inventors: Norbert Schaefer, Georges Driesen, Reiner Engelmohr, Erik Eisenkolb, Hansjörg Reick, Duy Phong Vu
  • Set of bristles for a toothbrush
    Patent number: D504569
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: May 3, 2005
    Assignee: Braun GmbH
    Inventors: Georges Driesen, Norbert Schaefer, Reiner Engelmohr, Erik Eisenkolb