Patents by Inventor Nikolai G. Nazarov

Nikolai G. Nazarov 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).

  • Reversiele percussion device
    Patent number: 4819741
    Abstract: A reversible percussion device, having a casing 1 in which is installed a movable striker and a system for distributing fluid under pressure for causing the striker 4 to move for both forward and rearward movement functions of the device. The system comprises a control member 9 for controlling the distribution of fluid under pressure for both functions, which is movably coupled to the striker 4 and has a mechanism for locking it with respect to the casing 1 in two control positions, corresponding to the two functions of the device. According to the invention, the mechanism for locking the control member 9 in the position enabling the forward movement functions of the device comprises a body 11 movable relative to the control member 9.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: April 11, 1989
    Inventors: Alexei D. Terskov, Vladimir D. Plavskikh, Alexandr D. Kostylev, Nikolai G. Nazarov, Nikolai P. Chepurnoi, Evgeny N. Cherednikov, Andron T. Karavaev