Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7850434 | Pumping arrangement | — | 2010-12-14 |
| 7762763 | Vacuum pump | — | 2010-07-27 |
| 7175383 | Regenerative fluid pump and stator for the same | Ingo Stephen Graham | 2007-02-13 |
| 6863493 | Lubricating systems for regenerative vacuum pumps | Stuart Hobbs | 2005-03-08 |
| 6860365 | Lubrication system for rotating machines and pumps | — | 2005-03-01 |
| 6857857 | Reciprocating machines | Stephen Dovey, Gerald Robin Shelley | 2005-02-22 |
| 6375413 | Vacuum pumps | — | 2002-04-23 |
| 6135709 | Vacuum pump | — | 2000-10-24 |
| 6109864 | Vacuum pumps | Nigel Paul Schofield | 2000-08-29 |