Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10240621 | Valve positioner having bypass component and control valve comprised thereof | — | 2019-03-26 |
| 9404515 | Valve positioner having bypass component and control value comprised thereof | — | 2016-08-02 |
| 9389596 | Systems and methods for field device feedback | John Alexander Petzen, III, Vladimir Kostadinov | 2016-07-12 |
| 8573241 | Systems and processes for field-initiated fluid regulation testing | — | 2013-11-05 |
| 7890216 | Control valve and positioner diagnostics | Henry W. Boger | 2011-02-15 |
| 7539560 | Control valve and positioner diagnostics | Henry W. Boger | 2009-05-26 |
| 7283894 | System and method for fluid regulation | John T. Payne | 2007-10-16 |