| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | Germany | 2 | |
| #3 | United States | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Norway | 1 | |
| #9 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology | |
| #3 | Basic materials chemistry |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gent David Victor | 3 |
| #2 | Alm Lars Erik | 3 |
| #3 | M Wenger Harvey | 1 |
| #4 | Alm Lars E | 1 |
| #5 | Alm L E | 1 |
| #6 | Morton Ralph B | 1 |
| #7 | Joost Robert H | 1 |
| #8 | Wenger Harvey M | 1 |
| #9 | Frye James A | 1 |
| #10 | Vogler Charles W | 1 |
| Publication | Filing date | Title |
|---|---|---|
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| GB8707926D0 | Filtration apparatus | |
| WO8606059A1 | Filter apparatus for removing hydro carbon contaminents from water, particularly for purifying oil contaminated water | |
| DE2425007A1 | Refuse annihilator - almost complete removal of refuse without releasing noxious materials | |
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