Patents by Inventor Martin Priefert

Martin Priefert 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).

  • Drum motor having an inner and an outer cover
    Patent number: 8790018
    Abstract: The invention comprises a drum motor comprising a drum tube, a spatially fixed shaft in the interior of the drum tube. To provide a drum motor in particular for use in hygiene areas a drum motor (10) according to the invention comprises: a drum tube (11), a spatially fixed shaft (13) in the interior of the drum tube (11), an inner cover (13) for accommodating a bearing (14) to support the drum tube (11) rotatably about the shaft (13) and for internally sealing off the interior (12), and an outer cover (30) for covering a drum tube end and for externally sealing off the interior (12).
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: July 29, 2014
    Assignee: Interroll Holding AG
    Inventors: Helmut Leuver, Frank Heinen, Martin Priefert
  • DRUM MOTOR HAVING AN INNER AND AN OUTER COVER
    Publication number: 20120134610
    Abstract: The invention concerns a drum motor comprising a drum tube, a spatially fixed shaft in the interior of the drum tube. To provide a drum motor in particular for use in hygiene areas a drum motor (10) according to the invention comprises: a drum tube (11), a spatially fixed shaft (13) in the interior of the drum tube (11), an inner cover (13) for accommodating a bearing (14) to support the drum tube (11) rotatably about the shaft (13) and for internally sealing off the interior (12), and an outer cover (30) for covering a drum tube end and for externally sealing off the interior (12).
    Type: Application
    Filed: May 20, 2010
    Publication date: May 31, 2012
    Inventors: Helmut Leuver, Frank Heinen, Martin Priefert