Patents by Inventor Dieter Linse

Dieter Linse 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).

  • Method for manufacturing an accordion filter insert
    Patent number: 6682683
    Abstract: A method for manufacturing an accordion filter insert in which an accordion filter pack is introduced into a mold and a space remaining thereafter in the mold is filled with a liquefied polymer material so as to form a frame surrounding the accordion filter pack. At least one peripheral elastically deformable sealing lip, consisting of the material of the frame, is produced together with the frame and is consolidated concurrently therewith.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: January 27, 2004
    Assignee: Firma Carl Freudenberg
    Inventors: Udo Michaelis, Dieter Linse, Jörgen Knudsen
  • METHOD FOR MANUFACTURING AN ACCORDION FILTER INSERT
    Publication number: 20030070405
    Abstract: A method for manufacturing an accordion filter insert in which an accordion filter pack is introduced into a mold and a space remaining thereafter in the mold is filled with a liquefied polymer material so as to form a frame surrounding the accordion filter pack. At least one peripheral elastically deformable sealing lip, consisting of the material of the frame, is produced together with the frame and is consolidated concurrently therewith.
    Type: Application
    Filed: November 22, 1996
    Publication date: April 17, 2003
    Inventors: UDO MICHAELIS, DIETER LINSE, JORGEN KNUDSEN
  • Accordion filter insert having an elastic sealing lip unitary with a frame of a filter element
    Patent number: 6162272
    Abstract: An accordion filter insert has a frame formed about the filter material. The frame has an elastically deformable sealing lip on the periphery of the frame. The elastically deformable sealing lip is formed of the same material as the frame itself. The sealing lip and frame are formed as a unitary piece.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: December 19, 2000
    Assignee: Firma Carl Freudenberg
    Inventors: Udo Michaelis, Dieter Linse, Jorgen Knudsen