Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7340912 | High efficiency heating, ventilating and air conditioning system | Ronald J. Weber | 2008-03-11 |
| 6651455 | Evaporative condenser system | — | 2003-11-25 |
| 5937667 | System for the dehumidification of cooled air | — | 1999-08-17 |
| 5931016 | Air conditioning system having multiple energy regeneration capabilities | — | 1999-08-03 |
| D285962 | Exhaust hood | — | 1986-09-30 |
| 4403481 | Combination roof mounting curb and plenum | — | 1983-09-13 |
| 4352349 | Control circuit for air conditioning systems | — | 1982-10-05 |