Patents by Inventor Christoph Maschke

Christoph Maschke 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).

  • Air filter unit
    Patent number: 8277527
    Abstract: An air filter unit (1) for a carburetor (2) of a portable handheld work apparatus includes a filter element (3) and at least one clean air channel (10, 11) arranged between the filter element (3) and the carburetor (2). At least one condensation rib (29, 30, 31, 32) is arranged in the clean air channel (10, 11) running in flow direction.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: October 2, 2012
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Sven Keller, Harald Bühner, Christoph Maschke, Armin Kölmel, Andreas Weisshaar, Konrad Knaus
  • Air filter unit
    Publication number: 20100192901
    Abstract: An air filter unit (1) for a carburetor (2) of a portable handheld work apparatus includes a filter element (3) and at least one clean air channel (10, 11) arranged between the filter element (3) and the carburetor (2). At least one condensation rib (29, 30, 31, 32) is arranged in the clean air channel (10, 11) running in flow direction.
    Type: Application
    Filed: February 1, 2010
    Publication date: August 5, 2010
    Inventors: Sven Keller, Harald Bühner, Christoph Maschke, Armin Kölmel, Andreas Weisshaar, Konrad Knaus