Patents by Inventor Rodion M. Bogomolov

Rodion M. Bogomolov 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).

  • Device for expanding pipes
    Patent number: 5014779
    Abstract: The device is intended for expanding profile pipes set in a well for patching off a troublesome zone, and also for straightening crumpled casings.The device comprises a housing (1) having an expanding member (3) mounted thereon in bearings (4, 5) on a journal (2) extending at an acute angel to the longitudinal axis of the housing (1). The expanding member (3) is shaped as a spherical segment (9) having its external surface defined by alternating portions of a spherical surface (10) and the lateral surfaces of cylinders (11) whose geometric axes being to a plane perpendicular to the axis (13) of the journal (2).
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: May 14, 1991
    Inventors: Konstantin V. Meling, Jury A. Safonov, Gabdrashit S. Abdrakhmanov, Jury G. Mikhailin, Rodion M. Bogomolov, Valentin V. Salomatin, Almaz A. Mukhametshin, Salikhzyan M. Mingazov