Patents by Inventor Lyuben K. Lazov

Lyuben K. Lazov 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).

  • Apparatus for coating graphite electrodes
    Patent number: 4259919
    Abstract: An apparatus for the automated coating of graphite electrodes comprises a carriage shiftable parallel to the coating apparatus between a station in which the graphite electrode is preheated and a station in which the preheated electrode is positioned opposite the coating station onto which the electrode is then gripped between a pair of contacts and rotated at variable speeds while all of the coating and surfaces treatment tools on a carriage flanking the electrode are brought into play successively by reciprocation of the tool carriage alongside the electrode.
    Type: Grant
    Filed: January 26, 1979
    Date of Patent: April 7, 1981
    Assignee: DSO "Cherna Metalurgia"
    Inventors: Todor Y. Koychev, Georgi M. Georgiev, Lyuben K. Lazov, Alexander Y. Valchev