Patents by Inventor Kevin Schäffler

Kevin Schäffler 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: 10107292
    Abstract: A vacuum/blower device is provided with a drive motor and a fan operatively connected to the drive motor and driven by the drive motor. A switching device is provided that switches the vacuum/blower device from a vacuum operation to a blower operation and from the blower operation to the vacuum operation. A suction pipe with an intake opening is provided, wherein, in the vacuum operation of the vacuum/blower device, a suction air flow is sucked in from the intake opening toward the fan in a first flow direction. The switching device switches a rotational direction of the fan, wherein the fan in the blower operation conveys a blower air flow through the suction pipe in a second flow direction that is oriented from the fan toward the intake opening.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: October 23, 2018
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Kevin Schäffler, Cornelius Gindele, Markus Hittmann, Christian Barth
  • Publication number: 20160238010
    Abstract: A vacuum/blower device is provided with a drive motor and a fan operatively connected to the drive motor and driven by the drive motor. A switching device is provided that switches the vacuum/blower device from a vacuum operation to a blower operation and from the blower operation to the vacuum operation. A suction pipe with an intake opening is provided, wherein, in the vacuum operation of the vacuum/blower device, a suction air flow is sucked in from the intake opening toward the fan in a first flow direction. The switching device switches a rotational direction of the fan, wherein the fan in the blower operation conveys a blower air flow through the suction pipe in a second flow direction that is oriented from the fan toward the intake opening.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 18, 2016
    Inventors: Kevin Schäffler, Cornelius Gindele, Markus Hittmann, Christian Barth