Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143188 | Vacuum pump reed valve which will reduce cold start torque | David Heaps | 2021-10-12 |
| 10837283 | Vacuum pump with eccentrically driven vane (eccentric pump design with crank pin) | David Heaps | 2020-11-17 |
| 10683864 | Twin vane rotary vacuum pump | David Heaps, Paul Wellings | 2020-06-16 |
| 10371148 | Vacuum pump | David Heaps, John Hegarty | 2019-08-06 |
| 9856877 | Vacuum pump having a disconnectable drive coupling | David Heaps | 2018-01-02 |
| 9803642 | Vacuum pump with eccentrically driven vane (eccentric pump design) | David Heaps | 2017-10-31 |
| 9683570 | Vacuum pump | David Heaps, John Hegarty | 2017-06-20 |
| D579611 | Cleaning machine | — | 2008-10-28 |