Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12228897 | Securing access of a process control or automation system | Narayanan Doraiswamy, Mark J. Nixon, Aaron C. Jones, Antonio Ubach, Sean Hernandez +3 more | 2025-02-18 |
| 8144028 | Method and system of obtaining data from field devices | Richard J. Vanderah, David S. Willett, Damon J. Ellender | 2012-03-27 |
| 7941489 | Method and system of determining a hierarchical structure | Richard J. Vanderah, David S. Willett, Damon J. Ellender | 2011-05-10 |
| 6771513 | Modular controller housing having movable card guides | Irvin Schwartzenburg, Richard J. Vanderah, Oliver J. Olivero | 2004-08-03 |
| 6542832 | Error detection and correction system for use with dual-pulse output metering devices | — | 2003-04-01 |