Patents by Inventor Vladimir P. Samoilov

Vladimir P. Samoilov 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).

  • Hydraulic jack
    Patent number: 4770085
    Abstract: A hydraulic jack includes a body (1) with front (2) and rear (3) covers and a rod (4) moving relative to said body (1) and having at least one projection made therein and mounting an additional member (7) and at least two grooves which form the respective projection (8) and of which each accomodates piston semi-rings (6) installed therein by pairs, the rod (4) portion having the projections (8) and the grooves forming a piston unit (5).
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: September 13, 1988
    Assignee: Spetsialnoe Konstruktorskotekhnologicheskoe Bjuro Glavmosinzhstroja Pri Mosgorispolkome
    Inventors: Sergei M. Grigoriev, Alexandr N. Semenov, Vladimir P. Samoilov, Tom P. Sadovsky, deceased