Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085540 | Circumferential air riding carbon seal on ceramic runner | Daniel Fadgen, Jared Isamu Taketa, Daniel Feinstein | 2021-08-10 |
| 11054039 | Seal runner support | Daniel Feinstein | 2021-07-06 |
| 11022174 | Drain arrangement for a squeeze film damper | Kerry J. Lighty, David Farnum, Daniel Feinstein | 2021-06-01 |