Patents by Inventor Volker Donner

Volker Donner 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).

  • Power tool
    Patent number: 10329994
    Abstract: A power tool has an internal combustion engine with an injection valve through which fuel is supplied to the internal combustion engine; a crankcase; and a crankshaft arranged in the crankcase so as to be rotatable about an axis of rotation. A fan wheel housing is provided and a fan wheel is arranged in the fan wheel housing and conveys cooling air to the internal combustion engine. In the fan wheel housing a connecting opening is formed. The injection valve is arranged in a cooling area, wherein cooling air is supplied by the fan wheel through the connecting opening to the cooling area.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: June 25, 2019
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Martin Rieber, Thorsten Schäffer, Jens Riehmann, Arno Kinnen, Volker Donner