Patents by Inventor Lang Eberhard

Lang Eberhard 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: 6431970
    Abstract: A sanding pad with a circular cross section for a manually operable grinding device has one 'surface with means (2) for connection to the grinding device. An opposite surface (6) forms a contacting surface (5) for guiding an abrasive. The contacting surface (5) is provided with radially extending grooves (1), which are constructed open towards the contacting surface (5), in order to increase the abrading performance of the sanding pad (2).
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: August 13, 2002
    Assignee: Hilti Aktiengesellschaft
    Inventor: Lang Eberhard
  • Publication number: 20020004364
    Abstract: A sanding pad with a circular cross section for a manually operable grinding device has one surface with means (2) for connection to the grinding device. An opposite surface (6) forms a contacting surface (5) for guiding an abrasive. The contacting surface (5) is provided with radially extending grooves (1), which are constructed open towards the contacting surface (5), in order to increase the abrading performance of the sanding pad (2).
    Type: Application
    Filed: July 3, 2001
    Publication date: January 10, 2002
    Inventor: Lang Eberhard