Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279870 | Intelligent valve actuator | Albert W. Welz, Jr., John D. Parker | 2001-08-28 |
| 6247919 | Intelligent burner control system | Albert W. Welz, Jr., John D. Parker | 2001-06-19 |
| 5997280 | Intelligent burner control system | Albert W. Welz, Jr., John D. Parker | 1999-12-07 |
| 5745377 | Method and apparatus for determining quantity of liquid in a container and/or lack of motion thereof | Wendy Power, Michael A. Reed, Dominick J. Frustaci, Gerald R. Larocque | 1998-04-28 |