Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377450 | Control of multi-zone and multi-stage HVAC system | William F. Van Ostrand, Rajendra K. Shah | 2008-05-27 |
| 7017827 | Method and system for automatically optimizing zone duct damper positions | Rajendra K. Shah, William F. VanOstrand | 2006-03-28 |
| 6254009 | Communicating thermostat | Jerry L. Proffitt, Michael A. Roher, Peter G. Pierret | 2001-07-03 |
| 5829674 | Zone system control | William F. VanOstrand, Michael A. Roher | 1998-11-03 |
| 5573180 | Protective thermostat | William F. Van Ostrand, Peter G. Pierret, Hall Virgil, Jr. | 1996-11-12 |
| 5467921 | Thermostat having short circuit protection | William O. Shreeve, Thomas W. Essig | 1995-11-21 |
| 5460327 | Extended clock thermostat | Mark A. Hill | 1995-10-24 |
| 5454511 | Controlled setpoint recovery | William F. Van Ostrand, Rajendra K. Shah, Peter G. Pierret | 1995-10-03 |
| 5365747 | Compressor protection display | Glenn D. Goodnough | 1994-11-22 |
| 5363904 | Setback control for HVAC system | Peter G. Pierret, A. Bruce Buchholz, Glenn D. Goodnough | 1994-11-15 |