Patents by Inventor Falk Ullmann

Falk Ullmann 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: 20190305329
    Abstract: The invention relates to a method for manufacturing a separator plate (12) for a fuel cell, wherein a curable and electrically conductive material (20) is applied to a substrate material (14). A flow field (34) for a reactant which can be supplied to the fuel cell is formed in the material (20). After the flow field (34) is formed, the material (20) is cured. The invention also relates to a separator plate (12) for a fuel cell and an intermediate product for a separator plate (12).
    Type: Application
    Filed: December 19, 2017
    Publication date: October 3, 2019
    Inventors: Falk Ullmann, Helge Warta