Issued Patents All Time
Showing 25 most recent of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359665 | Vacuum pump with reduced seal requirements | Cainan Long, Alan Ernest Kinnaird Holbrook | 2025-07-15 |
| 12286974 | Multi-stage turbomolecular pump | Stephen Dowdeswell | 2025-04-29 |
| 12258963 | Scroll pump with fluid recirculation valve | Alan Ernest Kinnaird Holbrook, David Bedwell | 2025-03-25 |
| 12173707 | Adjustable scroll pump | Alan Ernest Kinnaird Holbrook, David Bedwell | 2024-12-24 |
| 12110896 | Axial flow vacuum pump with curved rotor and stator blades | Stephen Dowdeswell | 2024-10-08 |
| 12049891 | Scroll pump having a biasing apparatus for axially movable fixed and orbiting scrolls against each other via first and second pads that formed material from fixed and orbiting scrolls | Alan Ernest Kinnaird Holbrook | 2024-07-30 |
| 12025128 | Scroll pump with a plurality of bellows sealing a plurality of adjustment members | Alan Ernest Kinnaird Holbrook | 2024-07-02 |
| 12018691 | Vacuum pump | Stephen Dowdeswell | 2024-06-25 |
| 11933284 | Multiple chamber vacuum exhaust system | Christopher Mark Bailey, Michael Andrew Galtry, Andrew David Mann | 2024-03-19 |
| 11885341 | Rotor support and vacuum pump with such a rotor support | — | 2024-01-30 |
| 11719244 | Pump having liquid blades and an associated method of pumping | Ian David Stones, Ian Andrew Norton | 2023-08-08 |
| 11515771 | Alternating-current driven, salient-teeth reluctance motor with concentrated windings | Berker Bilgin, Rong Yang, Ali Emadi | 2022-11-29 |
| 11421689 | Pump assembly with sealing protrusion on stator bore portion | Alan Ernest Kinnaird Holbrook | 2022-08-23 |
| 11401935 | Twin shaft pumps and a method of pumping | Stephen Dowdeswell | 2022-08-02 |
| 11143191 | Drag pump and a set of vacuum pumps including a drag pump | — | 2021-10-12 |
| 10947974 | Vacuum scroll pump | — | 2021-03-16 |
| 10533552 | Rotary screw vacuum pumps | — | 2020-01-14 |
| 10337517 | Gas transfer vacuum pump | Ian David Stones, Stephen Dowdeswell | 2019-07-02 |
| 10309401 | Vacuum exhaust system and channel-switching valve used in this vacuum exhaust system | Andrew James Seeley, Katsumi Nishimura, Katsunori Takahashi | 2019-06-04 |
| 10312780 | Double-rotor switched reluctance machine with segmented rotors | Teng Guo, Ali Emadi | 2019-06-04 |
| 10161399 | Scroll pump | — | 2018-12-25 |
| 9920761 | Vacuum pump rotor for a vacuum pump having a roots pumping mechanism | Stephen Dowdeswell | 2018-03-20 |
| 9869317 | Pump | — | 2018-01-16 |
| 9621014 | Torque ripple and radial force reduction in double-rotor switched reluctance machines | Yinye Yang, Ali Emadi | 2017-04-11 |
| 9334873 | Side-channel compressor with symmetric rotor disc which pumps in parallel | — | 2016-05-10 |