Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421135 | Metal powder mixture as heat source for treating environmental medium | David F. Alden, John P. Sankey | 2025-09-23 |
| 12103057 | Zero-valent metal suspension in non-aqueous phase for water remediation | David F. Alden | 2024-10-01 |
| 11577231 | Enhanced reduction bioremediation method using in-situ alcoholysis | David F. Alden | 2023-02-14 |
| 11491522 | Zero-valent metal suspension in non-aqueous phase for water remediation | Sangho Bang, David F. Alden, Jeffrey H. Harwell, Bor-Jier Shiau | 2022-11-08 |
| 11123779 | Method and a chemical composition for accelerated in situ biochemical remediation | David F. Alden, Sangho Bang, Jeffrey H. Harwell, Bor-Jier Shiau | 2021-09-21 |
| 9309136 | Bioremediation of soil and groundwater | John Archibald | 2016-04-12 |