Patents by Inventor Roman Donabauer

Roman Donabauer 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).

  • Method of setting parameters for welding optical waveguides by determining the reduction of a construction diameter
    Patent number: 6370919
    Abstract: A test optical fiber section (F) that resides under tensile stress (F) is heated in at least one longitudinal location so that a constriction (&Dgr;d) of its outside circumference forms thereat. This constriction (&Dgr;d) is acquired and utilized for setting welding parameters.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: April 16, 2002
    Assignee: Siemens Aktiengesellschaft
    Inventors: Rainer Kossat, Gervin Ruegenberg, Frank Zimmer, Roman Donabauer