Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7661488 | Regulator of angle and reactive moment of a gerotor type motor having a spindle and drilling bit in a bent drilling string | Konstantin Anatolievich Kobelev, Vladimir Ivanovich Timofeev | 2010-02-16 |
| 7226279 | Gerotor mechanism for a screw hydraulic machine | Sergei Petrovich Astafiev, Maksim Anatolievich Pushkarev, Aleksei Sergeevich Glinkin, Mikhail Valerievich Fadeev | 2007-06-05 |
| 4222445 | Reduction unit of drilling motor | Jury V. Vadetsky, Nikolai D. Derkach, Ernst N. Krutik, Georgy F. Chudakov, Nikolai P. Stroitelev +3 more | 1980-09-16 |