Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312906 | Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells | Terizhandur S. Ramakrishnan, Quincy K. Elias, Hua Zhang, Yixuan Feng | 2025-05-27 |
| 11739609 | Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells | Terizhandur S. Ramakrishnan, Quincy K. Elias, Hua Zhang, Yixuan Feng | 2023-08-29 |