RF Patent for invention № 2241106 «Positive displacement motor»

RF Patent appendix for invention № 2241106 «Positive displacement motor»

RF Patent for invention № 2232317 «Gerotor mechanism of the hydraulic machine»

RF Patent for invention № 2250341 «Axial bearing for PDM and turbodrill bearing assembly»

RF Patent for invention № 2253752 «Test bench for trial running of downhole hydraulic motors»

RF Patent for invention № 2299302 «Downhole hydraulic motor»

RF Patent for invention № 2323320 «Adjustable deviating unit»

RF Patent for utility model № 34195 «Positive displacement motor joint»

RF Patent for utility model № 34195 «Positive displacement motor joint»

RF Patent for utility model № 58150 «Downhole gerotor pump»