Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605540 | Alternating nozzles for radial inflow turbine | Frank Lin, Marshall Saville, Phil McAfee, David G. Elpern | 2017-03-28 |
| 8789656 | Shaft bearing lubricant aerator, system, and method | Steven R. Eccles | 2014-07-29 |
| 6066898 | Microturbine power generating system including variable-speed gas compressor | — | 2000-05-23 |