| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 5 | |
| #2 | Canada | 5 | |
| #3 | United States | 5 | |
| #4 | Brazil | 4 | |
| #5 | New Zealand | 3 | |
| #6 | Greece | 2 | |
| #7 | Japan | 2 | |
| #8 | Netherlands | 2 | |
| #9 | Philippines | 2 | |
| #10 | Switzerland | 1 | |
| #11 | Germany | 1 | |
| #12 | Luxembourg | 1 | |
| #13 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Civil engineering | |
| #4 | Thermal processes | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Climate change mitigation in wastewater treatment | |
| #3 | Mixing | |
| #4 | Chemical or physical processes | |
| #5 | Sewers | |
| #6 | Separation | |
| #7 | Air-conditioning | |
| #8 | Sound-producing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Snyder John R | 10 |
| #2 | Jordan Edward J | 7 |
| #3 | Snyder J | 5 |
| #4 | Jordan E | 4 |
| #5 | Snyder J R | 2 |
| #6 | Edowaado Jiei Yorudan | 1 |
| #7 | Jorden E J | 1 |
| #8 | Jordon Edward J | 1 |
| #9 | Jordan E J | 1 |
| #10 | Jon Aaru Sunaidaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GR65335B | Upflow filter construction and method | |
| AU4380579A | Filter and domestic sewage treatment | |
| NZ189452A | Upflow filer for sewage | |
| CA1111779A | Upflow filter construction and method | |
| US4338191A | Apparatus for treating fluids | |
| US4108274A | Acoustical apparatus | |
| CA1082610A | Upflow filter | |
| AU8771175A | Upflow filter | |
| PH11980A | Sewage treatment tank and tube settler | |
| US3950252A | Upflow filter | |
| US3951817A | Sewage treatment tank and tube settler | |
| US3884134A | Air vent |