Patents Assigned to Azerbaidjansky Nauchno-Issledovatelsky I Proektno-Konstruktorsky Institut Neftyanogo Mashino-Stroeniya
  • Device for gripping and suspending drill pipe stand
    Patent number: 4893860
    Abstract: According to the invention, the device comprises clamping elements hinged in a housing provided with a cut-out and a control system formed by a group of levers which are connected with a hoisting line. Besides, one of the levers is hinged to the housing and the other levers, to the clamping elements.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: January 16, 1990
    Assignee: Azerbaidjansky Nauchno-Issledovatelsky I Proektno-Konstruktorsky Institut Neftyanogo Mashino-Stroeniya
    Inventors: Nariman G. K. O. Kurbanov, Vagif A. Ali-Zade, Vladimir A. Kartashev, Eldar T. O. Zeinalov