Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10533682 | Methods and apparatus to diagnose a valve using electric valve actuators | Thomas Pesek, Ross Arthur Schade | 2020-01-14 |
| 10424919 | Current loop input protection | — | 2019-09-24 |
| 9337650 | Current loop input protection | — | 2016-05-10 |
| 9219442 | Method and apparatus for monitoring motor current for an electric valve positioner | — | 2015-12-22 |
| 8847439 | Multiple-contact switches | Thomas Pesek, Brian J. Burlage, Carter B. Cartwright | 2014-09-30 |
| 8570770 | Opto-isolator multi-voltage detection circuit | Stephen G. Seberger | 2013-10-29 |
| 8009108 | Antenna apparatus for explosive environments | Scott R. Kratzer | 2011-08-30 |
| 7852610 | Flameproof apparatus using non-grounded energy-limiting barrier | Ronald L. Uhlenberg, Stephen G. Seberger, Riyaz M. Ali, Jimmie L. Snowbarger | 2010-12-14 |
| 7580992 | Downloadable code in a distributed process control system | Brent Hans Larson, Steve Packwood, Larry K. Brown | 2009-08-25 |
| 4829288 | Economic, multi-directionally responsive marker for use in electronic article surveillance systems | — | 1989-05-09 |