Patents by Inventor Udo Hansel

Udo Hansel 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).

  • Antistatic extruded polycarbonate sheets
    Patent number: 5360658
    Abstract: The present invention relates to antistatic extruded polycarbonate sheets produced from thermoplastic polycarbonates, polyalkylene terephthalates and carbon black, as well as processes for the production of such sheets.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: November 1, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Schmitz, Hans-Leo Weber, Hans-Josef Fausten, Hans-Wolfgang Schmoranzer, Udo Hansel
  • Threading method and threading devices for disc-type friction twisters
    Patent number: 4149366
    Abstract: Threading procedure in the texturing method for endless filaments in false-twist texturing machines comprising disc-type twisters.
    Type: Grant
    Filed: December 8, 1977
    Date of Patent: April 17, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Bass, Joachim Fogger, Udo Hansel