Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4463908 | Device for clamping the adjustment ring of a cone crusher | Nikolai A. Ivanov, Boris G. Ivanov, Leonid P. Zagoratsky, Evgeny S. Mitrofanov, Georgy A. Finkelshtein +5 more | 1984-08-07 |
| 4452401 | Inertia cone crusher | Leonid P. Zarogatsky, Boris G. Ivanov, Nikolai A. Ivanov, Evgeny S. Mitrofanov, Andrei N. Safronov +1 more | 1984-06-05 |
| 4245791 | Device for mounting the breaking cone of an inertia crusher | Nikolai A. Ivanov, Boris G. Ivanov, Leonid P. Zarogatsky, Evgeny S. Mitrofanov | 1981-01-20 |
| 4245792 | Device for fastening an armour to the crushing cone of a crusher | Nikolai A. Ivanov, Boris G. Ivanov, Leonid P. Zarogatsky, Evgeny S. Mitrofanov | 1981-01-20 |