| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Denmark | 8 | |
| #3 | Austria | 4 | |
| #4 | Germany | 3 | |
| #5 | Belgium | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Foods and drinks | |
| #3 | Machines | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Mixing | |
| #2 | Cocoa and sweets | |
| #3 | Presses | |
| #4 | Milling | |
| #5 | Generating mechanical vibrations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nauta Johannes Ewardus | 15 |
| #2 | Johannes Ewardus Nauta | 9 |
| Publication | Filing date | Title |
|---|---|---|
| GB741403A | Method and plant for grinding and mixing |