Patents by Inventor Stephan Schmidt-Wimmer

Stephan Schmidt-Wimmer 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).

  • Patent number: 10759713
    Abstract: A fibrous preform (1) is produced, provided with a sandwich structure comprising an intermediate flexible core (4) and two outer fibrous frames (2, 3), respectively arranged on opposing outer faces of said flexible core (4) and assembled by sections of wire (8, 9) passing through said fibrous frames (2, 3), said preform (1) being impregnated with resin. Said preform is then hardened and the core (4) is removed, preferably by pre-densification with chemical vapour infiltration, and the structure produced is then densified with liquid-phase infiltration.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: September 1, 2020
    Assignees: MBDA FRANCE, AIRBUS DEFENCE AND SPACE GMBH
    Inventors: Marc Bouchez, Steffen Beyer, Stephan Schmidt-Wimmer
  • Publication number: 20170217843
    Abstract: A fibrous preform (1) is produced, provided with a sandwich structure comprising an intermediate flexible core (4) and two outer fibrous frames (2, 3), respectively arranged on opposing outer faces of said flexible core (4) and assembled by sections of wire (8, 9) passing through said fibrous frames (2, 3), said preform (1) being impregnated with resin. Said preform is then hardened and the core (4) is removed, preferably by pre-densification with chemical vapour infiltration, and the structure produced is then densified with liquid-phase infiltration.
    Type: Application
    Filed: September 24, 2015
    Publication date: August 3, 2017
    Inventors: Marc BOUCHEZ, Steffen BEYER, Stephan Schmidt-Wimmer