Patents by Inventor Shtelyana D. Dshendova

Shtelyana D. Dshendova 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 for regulating the granulometric characteristic of the components in metallurgical slags
    Patent number: 4379714
    Abstract: A method for regulating the granulometric characteristics of the components in metallurgical slags comprising the step of imparting a vibration to the slag, after the separation of the slag from the metallurgical furnace while the slag is being cooled. The imparted vibration frequency and amplitude is adjustable and ranges respectively from 12 to 100 Hz and 0.2 to 5 mm and when circular vibration is imparted from 0.4 to 12 mm.
    Type: Grant
    Filed: December 18, 1981
    Date of Patent: April 12, 1983
    Assignee: Vish-Minnogeoloshki Institute
    Inventors: Stoycho M. Stoev, Shtelyana D. Dshendova, Kiril N. Stoyanov, Raycho V. Dochev, Tzvetan P. Krestev