Patents by Inventor Thomas Tschumi

Thomas Tschumi 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).

  • SWITCH ASSEMBLY FOR HANDHELD POWER TOOL
    Publication number: 20090152084
    Abstract: The invention originates from a machine tool switching device, in particular for a machine tool (12) for sawing, with a first operational control element (14) having at least one switching function for switching the machine tool (12). It is proposed that the machine tool switching device have at least one additional operational control element (16) which has at least the switching function of the first operational control element (14) for the switching of the machine tool (12).
    Type: Application
    Filed: October 24, 2007
    Publication date: June 18, 2009
    Inventors: Markus Hofer, Hans Kaiser, Thomas Tschumi
  • Cutting Disc
    Publication number: 20080287049
    Abstract: The invention describes a cutting disc (100) comprising a circular-disc-shaped body (10) with a central hole (11) for accommodating a drive spindle, an annular cutting region (13), containing abrasive, at the circumference (12) of the circular-disc-shaped body (10) and a centred plastic damping element (20) with a central hole (21), wherein the damping element (20) is arranged on at least one first flat side (15) of the circular-disc-shaped body (10).
    Type: Application
    Filed: October 27, 2006
    Publication date: November 20, 2008
    Inventors: Beat Salzgeber, Thomas Tschumi, Daniel Jeiziner, Roberto Mulone
  • Circular saw blade
    Patent number: D579297
    Type: Grant
    Filed: October 2, 2006
    Date of Patent: October 28, 2008
    Assignee: Robert Bosch GmbH
    Inventors: Daniel Jeiziner, Roberto Mulone, Beat Salzgeber, Thomas Tschumi, Marcus Niederhauser
  • Circular saw blade
    Patent number: D587979
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: March 10, 2009
    Assignee: Robert Bosch GmbH
    Inventors: Daniel Jeiziner, Roberto Mulone, Beat Salzgeber, Thomas Tschumi, Marcus Niederhauser