Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5816491 | Method and apparatus for conserving peak load fuel consumption and for measuring and recording fuel consumption | Donald E. Jefferson | 1998-10-06 |
| 5326026 | Energy and peak-load conserving thermostat and method with controlled deadband | Donald E. Jefferson | 1994-07-05 |
| 5244146 | Energy-conserving thermostat and method | Donald E. Jefferson | 1993-09-14 |
| 5161606 | Interactive electronic thermostat with minimum and maximum temperature thermal limit switches | Alec Bernstein, Donald E. Jefferson, Daniel C. Carney | 1992-11-10 |
| 5065813 | Interactive electronic thermostat with installation assistance | Alec Bernstein, Daniel C. Carney | 1991-11-19 |
| 4725001 | Electronic thermostat employing adaptive cycling | Daniel C. Carney, Alec Bernstein | 1988-02-16 |