| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 3 | |
| #3 | Belgium | 1 | |
| #4 | Spain | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Furniture and games | |
| #4 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Mixing | |
| #2 | Milling | |
| #3 | Kitchen equipment | |
| #4 | Fibrous raw materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vollrath Paul | 7 |
| Publication | Filing date | Title |
|---|---|---|
| ES382038A1 | Improvements introduced in machines for mixing or amazing substances. (Machine-translation by Google Translate, not legally binding) | |
| GB511935A | Improvements in mixing and agitating appliances | |
| GB511128A | Improvements in grinding mills | |
| GB517797A | Improvements in or relating to mixing devices |