| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | France | 3 | |
| #3 | United States | 3 | |
| #4 | Canada | 2 | |
| #5 | Switzerland | 2 | |
| #6 | Denmark | 1 | |
| #7 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nauta Constant J | 4 |
| #2 | Nauta Constant Johan | 3 |
| #3 | Johan Nauta Constant | 2 |
| #4 | Constant Johan Nauta | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3315947A | Mixing devices | |
| US3272481A | Mixing devices | |
| GB896061A | Improvements in or relating to mixing installations | |
| US3109633A | Mixing apparatus | |
| CA741681A | Mixing devices | |
| CA666882A | Mixing apparatus |