Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944353 | Agricultural machine | Viktor V. Shishkin, Nikolai F. Kryazhevskikh | 1990-07-31 |
| 4925550 | Batch-action apparatus for filtering fluid medium | Viktor V. Shishkin, Nikolai F. Kryazhevskikh | 1990-05-15 |
| 4891115 | Apparatus for cleaning the inner surface of a pipeline from deposits and for forming a protective coating | Viktor V. Shishkin, Jury D. Samuliev, Yaroslav P. Sushkov, Valery P. Panchenko, Evgeny G. Lukin +2 more | 1990-01-02 |
| 4876946 | Flexible hose pump | Viktor V. Shishkin, Nikolai F. Kryazhevskikh | 1989-10-31 |
| 4841843 | Device for converting energy of fluid medium into mechanical work | Viktor V. Shishkin, Nikolai F. Kryazhevskikh | 1989-06-27 |
| 4839047 | Intermittent-action apparatus for filtering liquid | Viktor V. Shishkin, Nikolai F. Kryazhevskikh | 1989-06-13 |
| 4828796 | Method of protecting the internal surface of a pipeline against corrosion | Viktor V. Shishkin, Yaroslav P. Sushkov, Duglas Z. Serazetdinov, Evgeny G. Lukin, Viktoria I. Kapralova +5 more | 1989-05-09 |
| 4790934 | Apparatus for filtering fluid medium | Viktor V. Shishkin, Nikolai F. Kryazhevskikh | 1988-12-13 |
| 4770614 | Apparatus for transferring fluid medium | Viktor V. Shishkin, Nikolai F. Kryazhevskikh | 1988-09-13 |
| 4756237 | Device for converting energy of fluid medium into mechanical work of working member | Viktor V. Shishkin, Nikolai F. Kryazhevskikh | 1988-07-12 |