Patents by Inventor Rjury I. Konstantinov

Rjury I. Konstantinov 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).

  • Axial or worm-type centrifugal impeller pump
    Patent number: 4275988
    Abstract: The pump of the present invention has a housing which accommodates an axial impeller set on the pump drive shaft. The impeller has a hub which carries a number of the helical impeller blades held in position thereto and defining a plurality of blade channels for the liquid being handled to pass.
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: June 30, 1981
    Inventors: Leonid F. Kalashnikov, Vladimir N. Kudiarov, Georgy M. Kushnir, Anatoly S. Shapiro, Rjury I. Konstantinov, Vadim V. Nikolaev, Vladimir K. Kunets