Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874691 | System and method for energy management | Philip L. Parsons | 2005-04-05 |
| 5729474 | Method of anticipating potential HVAC failure | W. John Light, T. Frank Knight, Kelley A. Lawrence | 1998-03-17 |
| 5640153 | Energy utilization controller and control system and method | T. Frank Knight, Kelley A. Lawrence, Carlton R. Hildebrand | 1997-06-17 |
| 5539633 | Temperature control method and apparatus | Ronald E. Briggs, T. Frank Knight, Manjiree Jalukar, Ralph Dietz, Kelley A. Lawrence | 1996-07-23 |
| 4423765 | Apparatus for reducing heater and air conditioning energy consumption | — | 1984-01-03 |