Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687604 | Floor pan for evaporative coolers | — | 1987-08-18 |
| 4672820 | Evaporative cooler pad assembly | — | 1987-06-16 |
| 4673537 | Trap for the sump drain of an evaporative cooler | — | 1987-06-16 |
| 4657709 | Water distribution trough for evaporative cooler pad | — | 1987-04-14 |
| 4406585 | Impeller assembly for a blower mechanism | — | 1983-09-27 |
| 4400185 | Evaporative cooler with improved air handling mechanism | — | 1983-08-23 |
| 4361522 | Automatic flushing and draining apparatus for evaporative coolers | — | 1982-11-30 |
| 4333887 | Automatic flushing and draining apparatus for evaporative coolers | — | 1982-06-08 |
| 4289713 | Automatic flushing and draining reservoir apparatus for evaporative coolers | — | 1981-09-15 |
| 4255361 | Automatic flushing and draining reservoir apparatus for evaporative coolers | — | 1981-03-10 |
| 4237859 | Thermal energy storage and utilization system | — | 1980-12-09 |
| 4200599 | Moisture entrainment baffle for evaporative coolers | — | 1980-04-29 |
| 4199302 | Centrifugal blower having improved structure for mounting of rotor assembly | — | 1980-04-22 |
| 4192832 | Automatic flushing and draining reservoir apparatus for evaporative coolers | — | 1980-03-11 |