Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877369 | Vaned diffuser control | — | 1989-10-31 |
| 4877373 | Vaned diffuser with small straightening vanes | — | 1989-10-31 |
| 4850795 | Diffuser having ribbed vanes followed by full vanes | — | 1989-07-25 |
| 4830575 | Spiral grooves in a turbine rotor | — | 1989-05-16 |
| 4824325 | Diffuser having split tandem low solidity vanes | — | 1989-04-25 |
| 4820115 | Open impeller for centrifugal compressors | — | 1989-04-11 |