Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298171 | Methods and apparatus for quantifying pneumatic volume usage via valve controllers | Kurtis K. Jensen | 2025-05-13 |
| 12287255 | Methods and apparatus to automatically determine friction of a control valve | David L. Smid | 2025-04-29 |
| 11796082 | Methods and apparatus to detect and/or recover from failures in valve control devices | David L. Smid | 2023-10-24 |
| 11656149 | Methods and apparatus to automatically determine friction of a control valve | David L. Smid | 2023-05-23 |
| 11525523 | Open circuit diagnostic for pulsed solenoid I/P | Davin S. Nicholas, Gregory R. Bulleit, Christopher C. Arnold, David L. Smid | 2022-12-13 |
| 11269017 | Diagnostic for pulsed solenoid I/P functionality | Davin S. Nicholas, Gregory R. Bulleit, Christopher C. Arnold, David L. Smid | 2022-03-08 |
| 11073221 | Electro-pneumatic converters and related methods | — | 2021-07-27 |
| 11028864 | Method and apparatus for controlling a double-acting pneumatic actuator | Christopher S. Metschke, Kenneth W. Junk, David L. Smid | 2021-06-08 |
| 10458444 | Optimized method for controlling position and crossover pressure in a double acting actuator | David L. Smid | 2019-10-29 |
| 10422438 | Electro-pneumatic converters and related methods | — | 2019-09-24 |