Patents by Inventor Michael Vogtle

Michael Vogtle 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).

  • Portable handheld work apparatus
    Patent number: 6904977
    Abstract: A portable handheld work apparatus, such as a motorized cultivator (1) or the like, includes a frame (2) which extends essentially in the longitudinal direction (21) of the work apparatus. A drive motor (3) is fixed at one end (22) of the frame (2) and a work tool is driven by this drive motor. The opposite-lying end (23) includes at least a handle (7, 8) for guiding the work apparatus during the operation thereof. In order to make possible an ergonomic work posture of the operator, the handle (7, 8) lies facing away upwardly from the ground surface (42) in the work position of the motorized work apparatus. The work position is a position in which the work tool lies on the ground surface (42) to be worked.
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: June 14, 2005
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Gerhard Zerrer, Klaus Langhans, Jochen Kramer, Thomas Stark, Michael Vögtle, Günter Mayer
  • Portable handheld work apparatus
    Publication number: 20050045347
    Abstract: A portable handheld work apparatus such as a sweeper, motorized cultivator or the like has a drive motor (3), a work tool, which is driven by the drive motor (3), and at least one transport wheel (13). The transport wheel (13) is fixed to the work apparatus via at least two struts (14, 15). A first strut (14) is rotatably mounted on the work apparatus at the end (19) of the strut facing away from the transport wheel (13) and a second strut (15) can be fixed with its end (20) to at least two attachment points (17, 18) on the work apparatus with the end (20) facing away from the transport wheel (13).
    Type: Application
    Filed: October 20, 2003
    Publication date: March 3, 2005
    Inventors: Thomas Stark, Michael Vogtle, Bastian Vogt
  • Portable handheld work apparatus
    Publication number: 20040079538
    Abstract: A portable handheld work apparatus, such as a motorized cultivator (1) or the like, includes a frame (2) which extends essentially in the longitudinal direction (21) of the work apparatus. A drive motor (3) is fixed at one end (22) of the frame (2) and a work tool is driven by this drive motor. The opposite-lying end (23) includes at least a handle (7, 8) for guiding the work apparatus during the operation thereof. In order to make possible an ergonomic work posture of the operator, the handle (7, 8) lies facing away upwardly from the ground surface (42) in the work position of the motorized work apparatus. The work position is a position in which the work tool lies on the ground surface (42) to be worked.
    Type: Application
    Filed: October 20, 2003
    Publication date: April 29, 2004
    Inventors: Gerhard Zerrer, Klaus Langhans, Jochen Kramer, Thomas Stark, Michael Vogtle, Gunter Mayer