| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | South Africa | 3 | |
| #3 | Australia | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Israel | 2 | |
| #6 | Brazil | 1 | |
| #7 | Canada | 1 | |
| #8 | France | 1 | |
| #9 | Japan | 1 | |
| #10 | New Zealand | 1 | |
| #11 | African Intellectual Property Organization | 1 | |
| #12 | Sweden | 1 | |
| #13 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Non-metallic elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Adams Virgil Dean | 12 |
| #2 | Reynolds James H | 12 |
| #3 | Forbush Donald C | 5 |
| #4 | Seamons Glen R | 4 |
| #5 | Seamon Glen R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4526771A | Sulfurous acid generator | |
| ZA8203107B | Sulfurous acid generator | |
| US4340489A | Wastewater treatment process with pH adjustment | |
| US4304673A | Wastewater treatment process |