Patents by Inventor Gennady Ivanovich Bondarev

Gennady Ivanovich Bondarev 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 two-stage pump
    Patent number: 4101243
    Abstract: A pump wherein the parts of the casing forming, together with the partitions and sealing members, chambers for the accommodation of impellers mounted in a counteropposed manner on a shaft, are interconnected in the plane perpendicular to the rotation axis of the impellers by a clamp. The clamp consists of two parts with the joining plane passing through the rotation axis of the impellers and the clamp has circular collars at the edges, the collars entering circular recesses provided in flanges located on the opposite sides of the casing parts. The clamp is adapted for compressing the sealing members while the clamp parts are being brought together.
    Type: Grant
    Filed: February 24, 1976
    Date of Patent: July 18, 1978
    Assignee: Vsesohuzny nauchno-issledovatelsku I Proktno-Konstruk torsky institut. Dobychi Uglya Grdravlicheskin Sposobom "Vnllgidrougal"
    Inventors: Viktor Arsentievich Tatkov, Petr Ipatovich Jurin, Gennady Ivanovich Bondarev, Mikhail Andreevich Koryagin