| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United States | 4 | |
| #3 | Canada | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Shaping clay | |
| #4 | Drying solid materials by removing liquid | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | O'Keefe George W | 1 |
| #2 | Smith Edmund G | 1 |
| #3 | Cataldo Henry C | 1 |
| #4 | Devine Aloysius J | 1 |
| #5 | Device Aloysius Joseph | 1 |
| #6 | Henry Vernor S | 1 |
| #7 | Young Frank W | 1 |
| #8 | Smith Edmund Gregory | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2724507A | Filter division strip | |
| US2359753A | Filtration apparatus | |
| US1948947A | Filtering apparatus and process | |
| GB280170A | Improvements in or relating to the deposition of cakes of solid matter from fluids in which the solids are suspended | |
| US1726511A | Apparatus and method for treating finely-divided solids | |
| CA464173A | Filtration apparatus |