Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6457326 | Purge system for absorption unit | Darren Sheehan | 2002-10-01 |
| 6250089 | Hot water condenser for multi-stage absorption system | Robert C. Reimann | 2001-06-26 |
| 5724823 | Absorption over-concentration control | David Martini, Harold W. Sams, Marvin C. Decker | 1998-03-10 |