Patents by Inventor Nikolai A. Mushtakov

Nikolai A. Mushtakov 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).

  • Hydraulic drilling machine
    Patent number: 5064003
    Abstract: A hydraulic drilling machine has a drilling tool connected to a hydraulic motor, a hydraulic percussive mechanism connected through a rotatable fluid distributor to pressure and discharge lines, and a flow governor made up of a non-return valve and a flow throttling valve connected in parallel. The inlet of the flow governor is connected to a discharge line of the hydraulic motor, whereas its outlet is connected to a discharge line of the hydraulic percussive mechanism in the form of a hydraulic reaction turbine.
    Type: Grant
    Filed: December 26, 1989
    Date of Patent: November 12, 1991
    Inventors: Jury I. Neroznikov, Nikolai N. Shvets, Ivan P. Rudakov, Andrei I. Shevchenko, Valentin N. Fanshtein, Vladimir A. Medyanik, Nikolai A. Mushtakov