Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9540942 | Shaft sealing system for steam turbines | Xiaoqing Zheng, Daniel Robert Coffey, Guoqiang Lu, John Powers, III, Steven Paul Scarlata | 2017-01-10 | $27,458,000 |
| 9291066 | Methods and systems for sealing a rotary machine using a segmented seal ring | Xiaoqing Zheng, Roderick Mark Lusted, Azam Mihir Thatte | 2016-03-22 | $36,851,000 |