Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992006 | Device for hydraulic conveyance of loose materials | Sergei J. Chepov | 1991-02-12 |
| 4978251 | Method and apparatus for conveying materials in bulk by liquid pressure | Olga A. Lukonina | 1990-12-18 |
| 4952099 | Device for hydraulic conveyance of loose materials | Olga A. Lukonina, Vladimir P. Koval, Vladimir I. Sokolov, Boris A. Maltsev | 1990-08-28 |