Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884642 | Percussive action machine | Vladimir Y. Fadeev, Vladlen V. Korobkov, Rim A. Kulagin, Nikolai P. Ermilov | 1989-12-05 |
| 4819542 | Percussive tool | Vladimir Y. Fadeev, Vladeen V. Korobkov, Rim A. Kulagin, Nikolai P. Ermilov | 1989-04-11 |
| 4796956 | Machine for driving workings in hard rocks | Vladimir Y. Fadeev, Vladlen V. Korobko, Rim A. Kulagin, Nikolai P. Ermilov | 1989-01-10 |
| 4370916 | Percussive device | Leonid A. Mitin, Vladislav V. Mitrofanov, Vladimir Y. Fadeev, Vladlen V. Korobkov, Rim A. Kulagin +4 more | 1983-02-01 |
| 4300802 | Apparatus for drifting openings in hard rock | Leonid A. Mitin, Leonid F. Ponomarev, Vladimir Y. Fadeev, Vyacheslav F. Rybert, Jury V. Reutsky +10 more | 1981-11-17 |
| 4251113 | Hammer for breaking strong abrasive materials | Leonid A. Mitin, Vladimir Y. Fadeev, Vladlen V. Korobkov, Rim A. Kulagin, Nikolai P. Ermilov | 1981-02-17 |