| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Basic materials chemistry | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Treatment of paper-making materials | |
| #2 | Paper-making machines | |
| #3 | Soaps | |
| #4 | Paper coating | |
| #5 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arledter Fritz | 3 |
| #2 | Fritz Arledter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE679906C | Device for clarifying waste water containing fibers and fillers, especially in paper production | |
| GB421985A | Improvements in or relating to pulping engines and the like | |
| US1996740A | Hollander | |
| GB329992A | Process and apparatus for the separation of solids from gases and liquids |