Patents by Inventor Dirk LOEHR

Dirk LOEHR 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).

  • Publication number: 20150336306
    Abstract: The invention relates to a method for producing flexible moulded polyurethane foams (flexible moulded PU foams) with horizontally disposed zones of different hardness, the method being implemented in such a way that at least two fluid reaction mixtures, forming foams with different hardnesses, are introduced in succession in horizontal disposition, in layer form, into the moulding cavity, with at least one fluid reaction mixture being freely foamed, before at least one further foam-forming fluid reaction mixture is introduced into the moulding cavity.
    Type: Application
    Filed: November 18, 2013
    Publication date: November 26, 2015
    Inventors: Norbert HAHN, Sven MEYER-AHRENS, Gundolf JACOBS, Dirk LOEHR, Dietmar CZYLWIK