Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168614 | Low noise turbine for geared gas turbine engine | David A. Topol, Detlef Korte | 2021-11-09 |
| 11143109 | Low noise turbine for geared gas turbine engine | David A. Topol, Detlef Korte | 2021-10-12 |
| 11118507 | Geared gas turbine engine with reduced fan noise | Jonathan Gilson, Ramons A. Reba, David A. Topol, Wesley K. Lord | 2021-09-14 |