Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156317 | Noise attenuators for use with process control devices | — | 2021-10-26 |
| 11137781 | Adjustable deadband control system | — | 2021-10-05 |
| 11035479 | Circumferentially-sectioned valve cages | David O. Plummer, Guolei Fan, Yawei Xiao | 2021-06-15 |