Patents by Inventor Stefan Kullberg

Stefan Kullberg 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).

  • Publication number: 20090145271
    Abstract: A handle member for a motorized, handheld tool includes a substantially closed volume, a handle, and a joint between two parts of the handle member. The joint protrudes a distance beyond the surrounding surfaces. At least one rib is disposed at a distance from the joint on the underside of the tool.
    Type: Application
    Filed: December 23, 2008
    Publication date: June 11, 2009
    Inventors: Par Martinsson, Stefan Kullberg
  • Publication number: 20070275822
    Abstract: This invention relates to a throttle control device for a hand held tool, such as a chain saw. The tool is provided with a forwardly extending wire (17) for transmitting a motion from a throttle control lever (12) turnably arranged about a first axis (14) to a throttle valve. One end of the wire is secured to a wire arm (15) that is turnably arranged about a second axis (16). The wire arm is provided with one or several teeth (19, 20) cooperating with corresponding means on the throttle control lever (12) and the second axis (16) is arranged behind the first axis (15).
    Type: Application
    Filed: August 19, 2004
    Publication date: November 29, 2007
    Applicant: Aktiebolaget Electrolux
    Inventors: Stefan Kullberg, Roger Rogersten, Par Martinsson, Oskar Bergquist
  • Publication number: 20050257943
    Abstract: Handle (11) for a hand held engine powered tool comprising at least on lever or button for controlling the tool. The handle (11), and the tool fuel tank placed inside the handle, is made of at least two handle sections joined together. The levers or buttons for controlling the tool is however only secured in one of the handle sections (15, 16) in order to reduce the required grade of precision between the handle sections (15, 16) without affecting the performance of the levers and buttons.
    Type: Application
    Filed: October 23, 2003
    Publication date: November 24, 2005
    Inventors: Mattias Nystrom, Magnus Andersson, Stefan Kullberg, Par Martinsson, Peter Bjorkman
  • Patent number: D574207
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: August 5, 2008
    Assignee: Husqvarna AB
    Inventors: Carl-Johan Arnesson, Peter Björkman, Fredrik Cederholm, Margareta Eriksson, Kenneth Karlsson, Stefan Kullberg, Johan Wahlström, Per Viktorsson