Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757987 | Vacuum pump for differentially pumping multiple chambers | Martin Nicholas Stuart, Ian Olsen | 2014-06-24 |
| 8393854 | Vacuum pump | Ian David Stones | 2013-03-12 |
| 7811065 | Vacuum pump for differential pumping multiple chambers | Martin Nicholas Stuart, Ian Olsen | 2010-10-12 |
| 7537440 | Scroll compressor with multiple isolated inlet ports | Alan Saunders, Philip Lawrence May, Graeme Huntley | 2009-05-26 |
| 7008711 | Thermally integrated fuel cell power system | Joseph M. Pondo, Chakravarthy Sishtla, Randy J. Petri, Robert J. Remick | 2006-03-07 |
| 6916162 | Scroll compressor | Nigel Paul Schofield, Michael Henry North | 2005-07-12 |
| 6371735 | Vacuum pumps | Paul Milner | 2002-04-16 |