Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863349 | Impeller of centrifugal compressor | Gennady F. Velikanov, Gilya A. Raer, Kir B. Sarantsev | 1989-09-05 |
| 4795311 | Centrifugal compressor impeller | Gennady F. Velikanov, Yakov S. Levin, Vadim S. Magdychansky, Gennady I. Petrov, Gilya A. Raer +1 more | 1989-01-03 |