Patents by Inventor Jurij Fjodorovich Emel'Janov

Jurij Fjodorovich Emel'Janov 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).

  • Highly-tight threaded joint
    Patent number: 8714600
    Abstract: A highly-tight screw joint comprising internal and external mating elements with conical surfaces used in connection with oil and gas wells. The internal and external elements are provided with a thread with supporting and embedded faces. A sealing unit is made in the form of a wedge on the side of a small diameter. The sealing unit is provided on the internal and external elements and consists of parts of the internal and external elements. The internal and external elements are formed by conical radial and conical supporting faces. The conical radial face is made at an angle of 25°-35° to the normal to the thread axis. The conical supporting surface is made at the angle of 10°-25° to the normal to thread axis.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: May 6, 2014
    Inventors: Vladimir Petrovich Aldohin, Aleksej Viktorovich Emel'Janov, Jurij Fjodorovich Emel'Janov, Aleksandr Vladimirovich Zaslavskij, Mihail Noehovich Lefler, Pavel Nikolaevich Sidorenko, Boris Jur'evich Shherbakov