Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692541 | Electric motor pump system and method | Charles Shand, Mark D. Stacey, Simon Orde, Steven C. Birch, Stephen Marshall Devan +2 more | 2023-07-04 |
| 5551245 | Hybrid air-conditioning system and method of operating the same | Dean Calton, James A. Coellner, Paul Heimann | 1996-09-03 |
| 5517828 | Hybrid air-conditioning system and method of operating the same | Dean Calton, James A. Coellner, Paul Heimann | 1996-05-21 |
| 4287722 | Combination heat reclaim and air conditioning coil system | — | 1981-09-08 |