Patents by Inventor Helmut Helldörfer

Helmut Helldörfer 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).

  • Coating method for use in a process for producing high-temperature superconductive strip conductors
    Patent number: 6572916
    Abstract: Coatings especially for superconductive strip conductors, as well as methods of applying the coatings, are addressed. Exemplary coatings include aluminum oxide in an aqueous suspension, with aluminum oxide particles contained in the suspension having size typically between 0.5-10 &mgr;m.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: June 3, 2003
    Assignee: Vacuumschmelze GmbH
    Inventors: Arnold Meyer, Jens Müller, Bernhard Fischer, Stefan Kautz, Bernhard Roas, Helmut Helldörfer