| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 7 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 4 | |
| #4 | Switzerland | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wuestenhoefer Julius | 18 |
| #2 | Surmann Wilhelm | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB191124818A | Centrifugal Roller Mill. | |
| US855602A | Roller-mill. | |
| GB190515808A | Improvements in Disintegrating Mills or Machines for Reducing Materials. | |
| US787018A | Pendulum-mill. | |
| GB189826718A | Improvements in Apparatus for Reducing Materials of Fibrous Nature. | |
| US641423A | Pendulum-mill. | |
| US641422A | Pendulum-mill. | |
| GB189314352A | Improvements in Machinery for Making Tubes and Bars of Various Sizes and Sections from Solid Blocks of Metal. |