| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | South Africa | 2 | |
| #4 | Australia | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Materials and metallurgy | |
| #3 | Measurement | |
| #4 | Chemical engineering | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lloyd Robert Alexander | 5 |
| #2 | Rundle Howard | 2 |
| #3 | Dodsley Neil | 1 |
| #4 | Whyley John | 1 |
| #5 | Hanson Robert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9615946D0 | Zinc recovery process | |
| GB9523623D0 | Monitoring oxygen use in biological filter | |
| GB9520728D0 | A system for reducing head against which air blowers must operate in a filter | |
| GB9520656D0 | Deep bed filter support system | |
| GB9516847D0 | Submerged aerated filter |