Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832068 | Liquid/gas bypass | James W. Larson | 1989-05-23 |
| 4829786 | Flooded evaporator with enhanced oil return means | James R. Sand | 1989-05-16 |
| 4576011 | Air conditioning system and method of operation | Paul R. Glamm | 1986-03-18 |
| 4391104 | Cascade heat pump for heating water and for cooling or heating a comfort zone | — | 1983-07-05 |