Patents by Inventor Grigory P. Ivaschenko

Grigory P. Ivaschenko 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).

  • Patent number: 4455852
    Abstract: Shapes with circular corrugations are produced by spinning a sheet metal blank under the action of oppositely directed deforming and backing forces. The blank is given the configuration of an envelope of revolution with a continuously diverging flare and is secured at the end nearest to the geometrical apex of the flare, and the circular corrugations are formed sequentially from the smaller towards the larger diameter by applying a concentrated deforming force to the inside surface of the blank, the deforming force being directed along the blank axis.
    Type: Grant
    Filed: January 26, 1982
    Date of Patent: June 26, 1984
    Assignee: Institut Elektrosvarki Imeni E. O. Patona
    Inventors: Boris E. Paton, Vladimir N. Samilov, Grigory P. Ivaschenko, Alexandr V. Krasjukov, Vladimir M. Balitsky, deceased