Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9383380 | Enhanced rotation measurement | Yan Zhao, William Boag, Francis W. Walker, JR. | 2016-07-05 |
| 9052330 | Enhanced rotation measurement | Yan Zhao, William Boag, Francis W. Walker, JR. | 2015-06-09 |
| 8816671 | Electronic probe housing and automatic shutoff for steam turbine | Timothy A. Pieszchala | 2014-08-26 |
| 8151813 | Quad-redundant hydraulic trip system | W Brian Piercy | 2012-04-10 |