| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | New Zealand | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smith Paul K | 10 |
| #2 | Bergemann Eugene P | 10 |
| #3 | Bergemann E P | 1 |
| #4 | Smith P K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6063287A | Removal of algae-associated odorants from fresh water | |
| BR9808791A | Processes to remove pentavalent arsenic from an aqueous solution, to oxidize trivalent arsenic to pentavalent arsenic, to remove trivalent arsenic from an aqueous solution, and, medium insoluble in water | |
| NZ338104A | Process for removing selenium from selenium-containing waste streams |