Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668848 | Pneumatic volume booster for valve positioner | Douglas J. Tanner | 2003-12-30 |
| 6659247 | Pneumatic volume booster for valve positioner | Douglas J. Tanner | 2003-12-09 |
| 6484751 | Position detection for rotary control valves | Douglas J. Tanner, Val DiEuliis, Vernon Cottles | 2002-11-26 |
| 6357335 | Pneumatic volume booster for valve positioner | Douglas J. Tanner | 2002-03-19 |
| 6244296 | Position detection for rotary control valves | Douglas J. Tanner, Val DiEullis, Vernon Cottles | 2001-06-12 |
| 4847548 | Signal conditioner for a linear variable differential transformer | — | 1989-07-11 |