| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Germany | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Argentina | 1 | |
| #6 | Australia | 1 | |
| #7 | Canada | 1 | |
| #8 | Spain | 1 | |
| #9 | Hong Kong | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Mechanical elements | |
| #3 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Pistons and sealings | |
| #3 | Separating solids using liquids | |
| #4 | Separating solids | |
| #5 | Treatment of paper-making materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berger Otto | 5 |
| #2 | Woodham Edward | 4 |
| #3 | Gill Bernard Frederick | 3 |
| #4 | Jiyooji Aanesuto Beinburitsuji | 2 |
| #5 | Bainbridge George Ernest | 2 |
| #6 | Roberts Raymond | 1 |
| #7 | Reimondo Robaatsu | 1 |
| #8 | Bainbridge George E | 1 |
| #9 | Gill Bernard F | 1 |
| #10 | Otsuto Baagaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0026661A2 | Liquid treatment apparatus comprising rotatable drum with flexible edge seal | |
| GB2052283A | Moving band filter | |
| DE2834393A1 | SEAL ARRANGEMENT | |
| JPS54159780A | Method of letting liquid pass through screen and its device | |
| GB1602289A | Mechanically raked bar screen | |
| GB1521255A | Method and apparatus for screening liquids |