| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | Czechia | 1 | |
| #5 | Slovakia | 1 | |
| #6 | United States | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Water-closets with flushing devices | |
| #2 | Sanitary equipment | |
| #3 | Installations for obtaining water |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frost Douglas Robert David | 5 |
| #2 | Salter Jeremy | 1 |
| #3 | Brooks Peter | 1 |
| #4 | Dawson Christopher Samuel | 1 |
| #5 | Gee Robert Duncan | 1 |
| #6 | Frost Douglas R D | 1 |
| #7 | Blacklock Leo Benson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9708272D0 | Discharge valve apparatus | |
| GB9410911D0 | A set of parts | |
| GB9225912D0 | Variable flush syphonic apparatus | |
| GB9214021D0 | A hinge assembly | |
| GB8516424D0 | Liquid supply system |