| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 | |
| #2 | Switzerland | 5 | |
| #3 | France | 5 | |
| #4 | Austria | 3 | |
| #5 | United States | 2 | |
| #6 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Foods and drinks | |
| #4 | Textiles and paper | |
| #5 | Pharmaceuticals | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Separation | |
| #3 | Manufacturing artificial filaments | |
| #4 | Kitchen equipment | |
| #5 | Medical preparations | |
| #6 | Edible oils | |
| #7 | Meat processing | |
| #8 | Fibrous raw materials | |
| #9 | Mixing | |
| #10 | Fodder |
| # | Name | Total Patents |
|---|---|---|
| #1 | Haffner Fritz | 5 |
| #2 | Gustke Dipl-Ing Klaus | 3 |
| #3 | Guenther Walter Dipl-Ing | 2 |
| #4 | Schlechter Hans | 2 |
| #5 | Wilhelm Seifert Dipl-Ing Dipl- | 1 |
| #6 | Wilhelm Seifert | 1 |
| #7 | Kuls Erich | 1 |
| #8 | Probst Class | 1 |
| #9 | Schlachter Hans | 1 |
| #10 | Walter Rieth | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2977056A | Colloid mill with pre-cutting attachment | |
| US2749053A | Multiple stage colloid mill with apertured rotor-top feed means |