Patents by Inventor Helmut Hilsmann

Helmut Hilsmann 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).

  • Biaxial forming process for thick-walled acrylic sheet
    Patent number: 10486358
    Abstract: The present invention relates to a novel biaxial forming process for a preform made of a polymer material which comprises polymethyl methacrylate, to an apparatus for carrying out the process, and also to novel components obtained from a biaxial forming process and their use.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: November 26, 2019
    Assignee: Roehm GmbH
    Inventors: Wolfgang Stuber, Christian Eckhardt, Helmut Hilsmann
  • BIAXIAL FORMING PROCESS FOR THICK-WALLED ACRYLIC SHEET
    Publication number: 20140162025
    Abstract: The present invention relates to a novel biaxial forming process for a preform made of a polymer material which comprises polymethyl methacrylate, to an apparatus for carrying out the process, and also to novel components obtained from a biaxial forming process and their use.
    Type: Application
    Filed: July 19, 2012
    Publication date: June 12, 2014
    Applicant: Evonik Roehm GmbH
    Inventors: Wolfgang Stuber, Christian Eckhardt, Helmut Hilsmann