| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | African Regional Industrial Property Organization | 1 | |
| #4 | Australia | 1 | |
| #5 | Croatia | 1 | |
| #6 | Mexico | 1 | |
| #7 | New Zealand | 1 | |
| #8 | Poland | 1 | |
| #9 | Russian Federation | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Water-closets with flushing devices | |
| #2 | Domestic plumbing installations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hall Kelvin Edmund | 6 |
| #2 | Kholl Kelvin Ehdmund | 1 |
| #3 | Hall Kelvin E | 1 |
| #4 | Kelvin Edmund Hall | 1 |
| #5 | Ellacott John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0701310D0 | Flush water agitation apparatus | |
| GB0701059D0 | Air fresheners | |
| GB0608942D0 | Flush-water treatment apparatus | |
| GB0504756D0 | Flush water treatment apparatus | |
| GB0418971D0 | Waste outlet assembly | |
| US7246386B2 | Waste outlet assembly |