Patents by Inventor Karl Breitfuss

Karl Breitfuss 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).

  • Flat filter element and filter device
    Patent number: 10569209
    Abstract: A flat filter element for filtering a fluid may include a filter body made up of a folded filter material. The filter element may also include a circumferential edge and a side edge running in a circumferential direction along the circumferential edge. The side edge may have at least one strip portion, running along the side edge, with a side strip that may be separate from the filter body and arranged on the filter body. The side edge may also have at least one adhesive portion running along the side edge for sealing the filter body. The at least one adhesive portion may be formed by gluing of least two folds, adjacent along the side edge, in a region of the side edge.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: February 25, 2020
    Assignee: Mahle International GmbH
    Inventors: Karl Breitfuss, Tobias Heck, Sven A. Kaiser, Stefan Kaiser, Ruediger Knauss, Marc Schuller, Georg Votteler
  • FLAT FILTER ELEMENT AND FILTER DEVICE
    Publication number: 20170266602
    Abstract: A flat filter element for filtering a fluid may include a filter body made up of a folded filter material. The filter element may also include a circumferential edge and a side edge running in a circumferential direction along the circumferential edge. The side edge may have at least one strip portion, running along the side edge, with a side strip that may be separate from the filter body and arranged on the filter body. The side edge may also have at least one adhesive portion running along the side edge for sealing the filter body. The at least one adhesive portion may be formed by gluing of least two folds, adjacent along the side edge, in a region of the side edge.
    Type: Application
    Filed: November 25, 2015
    Publication date: September 21, 2017
    Inventors: Karl Breitfuss, Tobias Heck, Sven A. Kaiser, Stefan Kaiser, Ruediger Knauss, Marc Schuller, Georg Votteler