Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6991743 | Refrigerant for centrifugal compressors | John Edward Poole, Richard Powell | 2006-01-31 |
| 6629419 | CFC 12 replacement refrigerant | Richard Powell, John Edward Poole, John Derek Capper | 2003-10-07 |
| 6606868 | R 22 replacement refrigerant | Richard Powell, John Edward Poole, John Derek Capper | 2003-08-19 |
| 6604368 | R 12 replacement refrigerant | Richard Powell, John Edward Poole, John Derek Capper | 2003-08-12 |
| 5943867 | Refrigerant reclamation system | Kenneth Garfield Ross | 1999-08-31 |
| 5749245 | Refrigerant separation system | Devin Thomas, Kenneth Garfield Ross | 1998-05-12 |