Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8919369 | Fluid flow control members for use with valves | Chun Lin, Eric Alan Miller, Roy Ronald Pelfrey, Yan Tao Sun | 2014-12-30 |
| 8387657 | Methods and apparatus to determine a position of a valve | Yin Zhuang, Lu Cang | 2013-03-05 |
| 8262057 | Flow controlled actuator apparatus for use with self-closing stop valves | Chun Lin, Yin Zhuang, Lu Cang | 2012-09-11 |
| 8256462 | Fluid flow control members for use with valves | Chun Lin, Eric Alan Miller, Roy Ronald Pelfrey, Yan Tao Sun | 2012-09-04 |