Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9681786 | Vacuum cleaner | Joanne Katy Mitchell, Ketan Patel | 2017-06-20 |
| 9167943 | Cyclonic separator | James Stuart Robertson | 2015-10-27 |
| 8935828 | Dirt separator for a vacuum cleaner | Giles Ashbee, James Stuart Robertson | 2015-01-20 |