| 4819741 |
Reversiele percussion device |
Vladimir D. Plavskikh, Alexandr D. Kostylev, Nikolai Grigorievich Nazarov, Nikolai P. Chepurnoi, Evgeny N. Cherednikov +1 more |
1989-04-11 |
| 4785898 |
Device for making holes in soil |
Alexandr D. Kostylev, Konstantin B. Skachkov, Vladimir D. Plavskikh |
1988-11-22 |
| 4776407 |
Clamping attachment to a device for driving rod elements of low rigidity into the ground |
Alexandr D. Kostylev, Boris B. Danilov, Boris N. Smolyanitsky, Vladimir P. Boginsky, Jury N. Syryamin |
1988-10-11 |
| 4697647 |
Reversible percussive action machine |
Alexandr D. Kostylev, Vladimir D. Plavskikh, Konstantin B. Skachkov, Igor I. Reznikov, Vladimir I. Tarasenko |
1987-10-06 |
| 4653596 |
Percussive air tool |
Alexandr D. Kostylev, Jury N. Syryamin, Boris N. Smolyanitsky, Vladimir P. Boginsky, Elena G. Mjuntser +1 more |
1987-03-31 |
| 4629008 |
Reversible percussive action machine |
Alexandr D. Kostylev, Vladimir D. Plavskikh, Nikolai P. Chepurnoi, Mikhail J. Bondar, Igor I. Reznikov +1 more |
1986-12-16 |
| 4570723 |
Machine for driving holes in the ground |
Alexandr D. Kostylev, Andron T. Karavaev, Vladimir D. Plavskikh, Nikolai P. Chepurnoi, Igor I. Reznikov +1 more |
1986-02-18 |
| 4516662 |
Rod-clamping means of a percussive air tool for driving into the ground and removing therefrom rod-like pieces |
Alexandr D. Kostylev, Jury N. Syryamin, Boris N. Smolyanitsky, Vladimir P. Boginsky |
1985-05-14 |
| 4487273 |
Gripping tool adapted for use with device for driving rod-shaped elements into and out of the ground |
Boris N. Smolyanitsky, Vladimir P. Boginsky, Vladimir P. Gileta, Jury N. Syryamin |
1984-12-11 |
| 4398609 |
Apparatus for sinking wells in the ground |
Andron T. Karavaev, Vladimir D. Plavskikh, Anatoly V. Sukhushin, Nikolai P. Chepurnoi, Evgeny N. Cherednikov |
1983-08-16 |
| 4205727 |
Clamping means for a device for driving flexible rod-shaped elements in soil |
Boris N. Smolyanitsky, Vladimir P. Boginsky, Vasily V. Mukhaev |
1980-06-03 |