Patents by Inventor Eldar Tarik ogly Zeinalov

Eldar Tarik ogly Zeinalov 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).

  • 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