Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5179524 | Fan-powered mixing box assembly | Edward Parker | 1993-01-12 |
| 5179421 | Remote tracking system particularly for moving picture cameras and method | David F. Sorrells, John Mix, Richard P. Daber | 1993-01-12 |
| 4947928 | VAV system coordinator | Edward Parker | 1990-08-14 |
| 4931948 | Method and system for controlling a single zone HVAC supplying multiple zones | Edward Parker | 1990-06-05 |
| D304911 | Thermostat housing or the like | Edward Parker | 1989-12-05 |
| D304692 | Thermostat housing or the like | Edward Parker | 1989-11-21 |
| 4843084 | Thermostat control system | Edward Parker | 1989-06-27 |
| 4829447 | Bypass controller and bypass system | Edward Parker | 1989-05-09 |
| 4646964 | Temperature control system | Edward Parker | 1987-03-03 |
| 4530395 | Single zone HVAC controlled for operation in multiple zone arrangement | Edward Parker | 1985-07-23 |
| 4487363 | Bypass control system to maintain a constant air supply pressure in a HVAC duct system | Edward Parker | 1984-12-11 |