Patents by Inventor Vagif A. Ali-Zade

Vagif A. Ali-Zade 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).

  • Unit for borehole running and pulling operations
    Patent number: 4901805
    Abstract: The unit for borehole running and pulling operations with drill pipes or rods has its centralizer mounted for vertical reciprocation along guides and horizontal displacement along guideways in the opening of the racking platform in its cooperation with the traveling block. The guides for vertical reciprocation of the centralizer are rigid and provided with stops, and each guideway for horizontal displacement of the centralizer is in the form of either a plate with a slot, or a beam mounted for its introduction into and withdrawal from the opening of the racking platform.
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: February 20, 1990
    Assignee: Nauchno-Issledovatelsky I Proektno-Konstructorsky Institut Neftyanogo Mashinostroenia
    Inventors: Vagif A. Ali-Zade, Eldar Tarik ogly Zeinalov, Nariman Gusein Kuli ogly Kurbanov, Vladimir A. Kartashev
  • 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