| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 11 | |
| #2 | United States | 1 | |
| #3 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Civil engineering | |
| #3 | Chemical engineering | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Measuring distances | |
| #2 | Measuring length, angles and areas | |
| #3 | Scaffolding | |
| #4 | Cleaning | |
| #5 | Sewers | |
| #6 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcallister Karl | 8 |
| Publication | Filing date | Title |
|---|---|---|
| GB201413758D0 | Spoon cleaning bowl | |
| GB201018272D0 | Rad pipe drip tray | |
| GB0714849D0 | Anti slip spirit level | |
| GB0700051D0 | Adjustable spirit level | |
| GB0621330D0 | Little red level | |
| GB0621143D0 | Little red level | |
| GB0607607D0 | Adjustable corner gauge | |
| WO2006087570A2 | Corner gauge | |
| GB0524374D0 | A guide system for a drainage rod | |
| GB0503285D0 | Corner gauge |