| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | United States | 3 | |
| #3 | South Africa | 3 | |
| #4 | Brazil | 2 | |
| #5 | Canada | 2 | |
| #6 | Denmark | 2 | |
| #7 | EPO (European Patent Office) | 2 | |
| #8 | Spain | 2 | |
| #9 | United Kingdom | 2 | |
| #10 | Israel | 2 | |
| #11 | India | 2 | |
| #12 | Republic of Korea | 2 | |
| #13 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #14 | Zimbabwe | 2 | |
| #15 | Germany | 1 | |
| #16 | Egypt | 1 | |
| #17 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peterson C Lynn | 17 |
| #2 | Clitheroe Jay B | 9 |
| #3 | Peterson Clarence Lynn | 3 |
| #4 | Peterson C L | 2 |
| #5 | Peterson Cearence Lynn | 2 |
| #6 | Peterson Lynn | 1 |
| #7 | Peterson C | 1 |
| #8 | Peterson K Linn | 1 |
| #9 | Petersen Clarence Lynn | 1 |
| #10 | Cliderow J B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4999115A | Method and apparatus for use in separating solids from liquids | |
| ZA8606028B | Method and apparatus for use in separating solids from liquids | |
| ZA8605990B | Method and apparatus for use in separating solids from liquids | |
| US4775468A | System for mineral slurry flocculation and vacuum filtration | |
| US4131548A | Rotary disc filter scraper apparatus |