Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964477 | Pneumatic percussive device | Konstantin K. Tupitsyn, Veniamin V. Kamensky, Kiselev N. Jurievich | 1990-10-23 |
| 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, Konstantin K. Tupitsyn +2 more | 1987-11-24 |
| 4690225 | Percussive tool | Konstantin K. Tupitsyn, Alexandr D. Kostylev, Veniamin V. Kamensky, Sergei A. Chufistov | 1987-09-01 |
| 4291774 | Rock-breaking implement for percussive machines | Boris V. Sudnishnikov, Veniamin V. Kamensky, Eduard P. Varnello | 1981-09-29 |
| 4280573 | Rock-breaking tool for percussive-action machines | Boris V. Sudnishnikov, Veniamin V. Kamensky, Eduard P. Varnello, Konstantin K. Tupitsyn | 1981-07-28 |
| 4209070 | Air-operated self-propelling rotary-percussive downhole drill | Boris V. Sudnishnikov, Veniamin V. Kamensky, Eduard P. Varnello, Boris V. Nazarov | 1980-06-24 |