Patents by Inventor Nadezhda Grigorievna Vasyagina

Nadezhda Grigorievna Vasyagina 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).

  • Wall of pressurized reinforced concrete tank
    Patent number: 4091583
    Abstract: A characteristic feature of the wall according to the invention consists in that it is composed of two parts of which the outer part defining the shape of the tank is prestressed, and the inner part is supported by the outer part and composed of arcuate portions adjoining each other, the surface of each portion, which faces the internal space of the tank, comprising a portion of a convex surface of revolution.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: May 30, 1978
    Inventors: Semen Naumovich Genis, Adolf Nikolaevich Zhivov, Nikolai Alexandrovich Pereyaslavtsev, Igor Vladimirovich Sukhenko, Nadezhda Grigorievna Vasyagina, Viktor Ivanovich Shotsky