Patents by Inventor Siegfried Sonn

Siegfried Sonn 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).

  • FILTER ELEMENT
    Publication number: 20160074796
    Abstract: A filter element has an, as far as possible, long-term connection between a seal and the frame of the filter element, a filter element having a frame which is assigned a seal is wherein the frame is assigned a mount , in which the seal is accommodated, and fixed, in a form-fitting manner.
    Type: Application
    Filed: September 9, 2015
    Publication date: March 17, 2016
    Inventors: Maik Sieh, Siegfried Sonn, Juergen Klaus, Juergen Becker, Guenther Beck