Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287255 | Methods and apparatus to automatically determine friction of a control valve | Michael Fontaine | 2025-04-29 |
| 11796082 | Methods and apparatus to detect and/or recover from failures in valve control devices | Michael Fontaine | 2023-10-24 |
| 11656149 | Methods and apparatus to automatically determine friction of a control valve | Michael Fontaine | 2023-05-23 |
| 11525523 | Open circuit diagnostic for pulsed solenoid I/P | Michael Fontaine, Davin S. Nicholas, Gregory R. Bulleit, Christopher C. Arnold | 2022-12-13 |
| 11269017 | Diagnostic for pulsed solenoid I/P functionality | Michael Fontaine, Davin S. Nicholas, Gregory R. Bulleit, Christopher C. Arnold | 2022-03-08 |
| 11028864 | Method and apparatus for controlling a double-acting pneumatic actuator | Christopher S. Metschke, Michael Fontaine, Kenneth W. Junk | 2021-06-08 |
| 10458444 | Optimized method for controlling position and crossover pressure in a double acting actuator | Michael Fontaine | 2019-10-29 |
| 9124446 | Methods and apparatus to implement a remote terminal unit network | Richard J. Vanderah, Rickie Lee Condit | 2015-09-01 |
| 6945125 | High resolution pulse count interface | Richard J. Vanderah, Douglas B. Roberts, David W. Shollenbarger | 2005-09-20 |