| 4819741 |
Reversiele percussion device |
Alexei D. Terskov, Vladimir D. Plavskikh, Alexandr D. Kostylev, Nikolai Grigorievich Nazarov, Evgeny N. Cherednikov +1 more |
1989-04-11 |
| 4708211 |
Reversible air-operated percussive action machine for driving holes in the ground |
Evgeny I. Shemyakin, Veniamin V. Kamensky, Alexandr D. Kostylev, Boris V. Sudnishnikov, Sergei K. Tupitsyn +2 more |
1987-11-24 |
| 4629008 |
Reversible percussive action machine |
Alexandr D. Kostylev, Vladimir D. Plavskikh, Alexei D. Terskov, Mikhail J. Bondar, Igor I. Reznikov +1 more |
1986-12-16 |
| 4606414 |
Percussive air tool |
Vladimir V. Klimashko, Vladimir D. Makeev, Vladimir P. Naboko, Alexandr D. Filonov, Petr N. Svita |
1986-08-19 |
| 4570723 |
Machine for driving holes in the ground |
Alexandr D. Kostylev, Andron T. Karavaev, Vladimir D. Plavskikh, Alexei D. Terskov, Igor I. Reznikov +1 more |
1986-02-18 |
| 4440240 |
Method of making holes in the soil and apparatus for performing this method |
Alexandr D. Kostylev, Vladimir P. Gileta, Vladimir A. Grigoraschenko, Khaim B. Tkach, Vladimir A. Bakunin +12 more |
1984-04-03 |
| 4398609 |
Apparatus for sinking wells in the ground |
Andron T. Karavaev, Vladimir D. Plavskikh, Alexei D. Terskov, Anatoly V. Sukhushin, Evgeny N. Cherednikov |
1983-08-16 |