Patents by Inventor Stefan Hartkopp

Stefan Hartkopp 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).

  • Solvent-free wire enamel composition
    Patent number: 10501656
    Abstract: The present invention relates to a solvent-free wire enamel composition containing extrudable, polyesterimide-containing binders, prepared from polyols, polycarboxylic acids, imide-forming components, and structural elements which are crosslinkable after extrusion.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: December 10, 2019
    Assignee: ELANTAS GmbH
    Inventors: Ronnie Halfar, Sascha Toedter-Koenig, Klaus-W. Lienert, Simon Rost, Stefan Hartkopp, Hans-Ulrich Moritz
  • SOLVENT-FREE WIRE ENAMEL COMPOSITION
    Publication number: 20140205758
    Abstract: The present invention relates to a solvent-free wire enamel composition containing extrudable, polyesterimide-containing binders, prepared from polyols, polycarboxylic acids, imide-forming components, and structural elements which are crosslinkable after extrusion.
    Type: Application
    Filed: August 6, 2012
    Publication date: July 24, 2014
    Applicant: ELANTAS GMBH
    Inventors: Ronnie Halfar, Sascha Toedter-Koenig, Klaus-W. Lienert, Simon Rost, Stefan Hartkopp, Hans-Ulrich Moritz