Patents by Inventor Heinz Daubner

Heinz Daubner 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).

  • Active carbon coated filter element for preventing the leaking of hydrocarbons
    Patent number: 7637974
    Abstract: An active carbon coated filter element is proposed for preventing the issuance of hydrocarbons from an opening. It includes a medium containing active carbon, which is of substantially planar shape and has a frame. The frame is provided with sealing lips on at least two sides. The medium is arranged with the frame in a plastic holder, the plastic holder being able to be inserted and fixed in the opening. The sealing lips engage the wall of the opening.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: December 29, 2009
    Assignee: Mann & Hummel GmbH
    Inventors: Hans-Peter Scholl, Guenther Scholz, Heinz Daubner, Johann Rackerseder, Reinhold Lebherz, Frank Pfeiffer, Jens Sohnemann, Juergen Stahl, Fritz Brenneis
  • Active carbon coated filter element for preventing the leaking of hydrocarbons
    Publication number: 20060108278
    Abstract: An active carbon coated filter element is proposed for preventing the issuance of hydrocarbons from an opening. It includes a medium containing active carbon, which is of substantially planar shape and has a frame. The frame is provided with sealing lips on at least two sides. The medium is arranged with the frame in a plastic holder, the plastic holder being able to be inserted and fixed in the opening. The sealing lips engage the wall of the opening.
    Type: Application
    Filed: November 14, 2005
    Publication date: May 25, 2006
    Applicant: MANNGMBH
    Inventors: Hans-Peter Scholl, Guenther Scholz, Heinz Daubner, Johann Rackerseder, Reinhold Lebherz, Frank Pfeiffer, Jens Sohnemann, Juergen Stahl, Fritz Brenneis