| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 12 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Holyoak David | 1 |
| #2 | Holyoak Christine | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0504170D0 | Centripetal/centrifugal cleaning of filters improvement | |
| GB0111659D0 | Foldaway bench mate | |
| GB0103567D0 | Recycling of used air filters | |
| GB0100377D0 | Accuracy aid for snooker and the like games | |
| GB0005159D0 | Cleaning of filters | |
| GB9917783D0 | Quick hinge | |
| GB9917778D0 | Spark plug cleaner | |
| GB9916580D0 | The Clampit | |
| GB9820362D0 | Cleaning of filters |