Patents by Inventor Markus Helff

Markus Helff 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: 8215261
    Abstract: A method and apparatus for introducing a sealing compound into a filter device include attaching sealing caps for the purpose of producing the sealing compound, and distributing the sealing compound from a sealing chamber via the sealing caps onto the ends of the filter device. The sealing compound is passed from the sealing chamber into a rotationally symmetrical cantilevered projection of the respective sealing cap, from which the sealing compound penetrates into the housing via corresponding slots of the sealing cap.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: July 10, 2012
    Assignee: Fresenius Medical Care Deutschland GmbH
    Inventors: Markus Helff, Franz Kugelmann
  • Publication number: 20090238967
    Abstract: This invention relates to a method for introducing a sealing compound into a filter device, sealing caps being attached for the purpose of producing the sealing compound, and the sealing compound being distributed from a sealing chamber via the sealing caps onto the ends of the filter device. In accordance with the invention, the sealing compound is passed from the sealing chamber into a rotationally symmetrical cantilevered projection of the respective sealing cap, from where it penetrates into the housing via corresponding slots of the sealing cap. The invention furthermore relates to an apparatus for introducing the sealing compound into a filter device.
    Type: Application
    Filed: April 27, 2007
    Publication date: September 24, 2009
    Inventors: Markus Helff, Franz Kugelmann