| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | Brazil | 2 | |
| #5 | Canada | 2 | |
| #6 | South Africa | 2 | |
| #7 | China | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Poland | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Electrolytic metal production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Edwards James Christopher | 8 |
| #2 | Allen Richard Frazer | 7 |
| #3 | Lydon Richard Patrick | 6 |
| #4 | Frazer Allen Richard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB201002107D0 | Pressure leaf filtration | |
| GB0104748D0 | Improved filter media | |
| GB0024667D0 | Cathode frame in electrolytic apparatus | |
| GB0012585D0 | Filter element fixation for filter presses |