Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026270 | Microcontroller and system for controlling trial times in a furnace system | Timothy M. Tinsley | 1991-06-25 |
| 4971566 | Printed wiring board connector | Rolf L. Strand | 1990-11-20 |
| 4937703 | Circuit for driving a relay with protection against contact degradation | — | 1990-06-26 |
| 4712996 | Gas burner control system with mass flow sensor | John B. Goodale | 1987-12-15 |
| 4684060 | Furnace fan control | Dale A. Mueller | 1987-08-04 |
| 4641043 | Printed wiring board means with isolated voltage source means | John E. Bohan, Jr. | 1987-02-03 |
| 4620668 | Adaptive control system | — | 1986-11-04 |
| 4598333 | Printed wiring board means with integral dew sensor | John E. Bohan, Jr. | 1986-07-01 |
| 4562522 | Power supply for an electrostatic air cleaner with a modulated pulse width voltage input having a backup pulse width limiting means | Arlon D. Kompelien | 1985-12-31 |
| 4401262 | Energy saving thermostat with means to shift offset time program | Marvin D. Nelson | 1983-08-30 |
| 4316577 | Energy saving thermostat | Arlon D. Kompelien, Marvin D. Nelson, B. Hubert Pinckaers | 1982-02-23 |