Patents by Inventor Nikolai N. Gobralev

Nikolai N. Gobralev 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).

  • Mixer
    Patent number: 4827455
    Abstract: A mixer comprises a housing having charging and discharge pipes, and arcuate working members fashioned as rods coiled to form cylindrical springs and attached by ends thereof to drive shafts. The working members are disposed inside the housing one above the other, the upper working member having a diameter substantially less than the diameter of the lower working member, the working members being coiled in the opposite directions.
    Type: Grant
    Filed: February 5, 1986
    Date of Patent: May 2, 1989
    Assignee: Mogilevsky Mashinostroitelny Institut
    Inventors: Leonid A. Sivachenko, Vladilen I. Balovnev, Jury V. Surovegin, Alexei N. Maximenko, Vladimir V. Moiseenko, Nikolai N. Gobralev