Patents by Inventor Alfred Unbekand

Alfred Unbekand 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 and apparatus for the decrusting of metallurgical lances
    Patent number: 4052044
    Abstract: A method of removing encrustations from a metallurgical lance comprising the steps of relatively displacing the lance and a tool with the tool in contact with a layer of encrustation on the lance and applying a repetitive movement to the tool against the layer to dislodge the layer from the lance and permit the layer to fall therefrom by its weight.
    Type: Grant
    Filed: November 19, 1976
    Date of Patent: October 4, 1977
    Assignee: ARBED - Acieries Reunies de Burbach-Eich-Dudelange
    Inventors: Joseph Colling, Carlo Heintz, Alfred Unbekand