Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247268 | Separation of rare earth elements | Gregory Piefer, Richard Sisson | 2025-03-11 |
| 12157930 | Separation of rare earth elements | Gregory Piefer, Richard Sisson | 2024-12-03 |
| 11361873 | Aqueous assembly and control method | Gregory Piefer | 2022-06-14 |
| 11238999 | Apparatus and method for generating medical isotopes | Gregory Piefer, Thad Alexander Heltemes, Ross Radel | 2022-02-01 |
| 10332646 | Apparatus and method for generating medical isotopes | Gregory Piefer, Thad Alexander Heltemes, Ross Radel | 2019-06-25 |