Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187089 | Damper stacks for turbomachine rotor blades | Brian Denver Potter, Robert Alan Brittingham | 2021-11-30 |
| 11168569 | Blades having tip pockets | Neil Ristau | 2021-11-09 |
| 11156096 | Turbine blade airfoil profile | Neil Ristau, Jan Emeric Agudo | 2021-10-26 |
| 11143036 | Turbine blade with friction and impact vibration damping elements | James Zhang, John McConnell Delvaux | 2021-10-12 |