Patents by Inventor Hermann Spanner

Hermann Spanner 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).

  • COMPOSITE ELEMENT MADE FROM A PREFORM
    Publication number: 20120077013
    Abstract: A composite element made from a preform of fiber-reinforced plastic material arranged around a core with a multi-layer thermoplastic foil between the preform and the core and a method for fabrication of such a composite element. At least one of the layers of said multi-layer thermoplastic foil has a different melting temperature from the melting temperature of at least one of the other layers.
    Type: Application
    Filed: August 18, 2011
    Publication date: March 29, 2012
    Applicant: EUROCOPTER DEUTSCHLAND GMBH
    Inventors: Steffen Kunze, Hermann Spanner, Thomas Unterhauser, Christian Weimer