Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759985 | High density aqueous well fluids | Yunqi Liu | 2020-09-01 |
| 10597574 | High density aqueous well fluids | Christopher J. Nalepa, Jacobus N. Louwen, Yunqi Liu, Srinivasa S. Godavarthy, Kevin Coppola | 2020-03-24 |