Patents by Inventor Ivan R. Stepurenko

Ivan R. Stepurenko 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).

  • Centrifugal casting apparatus
    Patent number: 4392805
    Abstract: A centrifugal casting apparatus comprises a mold mounted for rotation about the vertical axis thereof and having a bottom provided with a through axial opening. A member having a helicoidally shaped surface is axially mounted within the opening in the bottom. The member has a lower portion to be immersed into a melt and extending out of the opening and downwardly of said bottom of the mold. The mold and the member are connected with a rotation drive and a vertical motion drive.
    Type: Grant
    Filed: October 31, 1980
    Date of Patent: July 12, 1983
    Inventors: Oleg L. Golyak, Leonty A. Golyak, Ivan R. Stepurenko