Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9279426 | Multi stage, clam shell vacuum pump | Stephen Dowdeswell | 2016-03-08 |
| 9249805 | Vacuum pump | Ian David Stones, Martin Nicholas Stuart | 2016-02-02 |
| 9127682 | Vacuum pumping arrangement | — | 2015-09-08 |
| 9127685 | Regenerative vacuum pump with axial thrust balancing means | Michael Liu | 2015-09-08 |
| 9097252 | Scroll pump including drive shaft extending through fixed scroll | Michael Liu | 2015-08-04 |
| 9086071 | Side-channel pump with axial gas bearing | — | 2015-07-21 |
| 8880134 | Superconductor device | Stephen M. Husband, Alexander C. Smith, Andrew Wilson Oliver | 2014-11-04 |
| 8851865 | Vacuum pump | Ian David Stones, Martin Nicholas Stuart | 2014-10-07 |
| 8727751 | Vacuum pumping arrangement | — | 2014-05-20 |
| 8702407 | Multistage roots vacuum pump having different tip radius and meshing clearance from inlet stage to exhaust stage | Peter Birch | 2014-04-22 |
| 8672607 | Vacuum pump | Ian David Stones, Martin Nicholas Stuart | 2014-03-18 |
| 8500425 | Roots pumps | Stephen Dowdeswell | 2013-08-06 |
| 8500422 | Vacuum pump | Stephen Dowdeswell, Peter Birch | 2013-08-06 |
| 8323006 | Scroll pump with an electromagnetic drive mechanism | James Alexander Haylock | 2012-12-04 |
| 8075288 | Screw pump and pumping arrangement | — | 2011-12-13 |
| 7954371 | Condition monitoring of pumps and pump system | Siamak Abbaszadeh, Derek Savidge | 2011-06-07 |
| 7896625 | Vacuum pumping system and method of operating a vacuum pumping arrangement | — | 2011-03-01 |
| 7866940 | Vacuum pump | Ian David Stones, Martin Nicholas Stuart | 2011-01-11 |
| 7614844 | Vacuum pumping arrangement | — | 2009-11-10 |
| 7318706 | Valving for multi-stage vacuum pumps | Howard STONE | 2008-01-15 |
| 6916162 | Scroll compressor | Michael Henry North, David John Goodwin | 2005-07-12 |
| 6626639 | Vacuum pump | — | 2003-09-30 |
| 6537049 | Screw pump having a thermal shield | Michael Henry North | 2003-03-25 |
| 6379135 | Vacuum pumps | — | 2002-04-30 |
| 6244841 | Vacuum pumps | Michael Morris, Peter Birch | 2001-06-12 |