Patents by Inventor Heiko Thömen

Heiko Thömen 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).

  • LIGHTWEIGHT WOOD-BASED BOARD AND PROCESS FOR PRODUCING IT
    Publication number: 20100098933
    Abstract: The invention relates to a method for producing a sandwich panel, comprising the steps: providing an upper cover layer, providing a lower cover layer, providing an intermediate layer disposed between the upper and lower cover layers, compacting the upper and lower cover layers; foaming the intermediate layer, with no foaming of the intermediate layer occurring when compacting of the upper and lower cover layers begins.
    Type: Application
    Filed: December 6, 2007
    Publication date: April 22, 2010
    Applicant: UNIVERSITAT HAMBURG
    Inventors: Jan Lüdtke, Johannes Welling, Heiko Thömen, Marius Câtâlin Barbu