Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12442530 | Automatic water replenishing control system for slag removal | Changfeng Li, Lijie Zheng, Zuofeng Sun, Minzhi Fang, Qian You | 2025-10-14 | |
| 8903694 | System and method for performing reservoir simulation using preconditioning | John Wallis, Gareth Shaw | 2014-12-02 | |
| 8775144 | Constrained pressure residual preconditioner for efficient solution of the adjoint equation | Choongyong Han, John Wallis, Pallav Sarma, Mark Schrader, Wen-hsiung Chen | 2014-07-08 | $175,087,000 |