Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392322 | Rugged explosion-proof actuator with integral electronics | E. Joseph Mares, Ronald Zawistowski | 2002-05-21 |
| 5435146 | Method and apparatus for determining relative humidity | — | 1995-07-25 |
| 5112217 | Method and apparatus for controlling fuel-to-air ratio of the combustible gas supply of a radiant burner | Chester D. Ripka | 1992-05-12 |
| 5037291 | Method and apparatus for optimizing fuel-to-air ratio in the combustible gas supply of a radiant burner | — | 1991-08-06 |
| 4952492 | Method and apparatus for modulating a radiant infrared burner | Ian M. Shapiro, David A. Lindstrand | 1990-08-28 |