Patents by Inventor Stanislav A. Dovnar

Stanislav A. Dovnar 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 machining end faces
    Patent number: 4177699
    Abstract: The invention relates to methods of machining end faces with rotary tools. The method according to the invention comprises imparting to the workpiece a rotary motion and to the tool--a straight feed motion at an angle 20.degree.-75.degree. to the radius of the workpiece.
    Type: Grant
    Filed: June 21, 1978
    Date of Patent: December 11, 1979
    Inventors: Stanislav A. Dovnar, Valery A. Sidorenko, Evgeny I. Morgunsky, Nikolai V. Vishnev