| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 30 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Thermal processes | |
| #3 | Medical technology | |
| #4 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Cyclones | |
| #3 | Implantable devices | |
| #4 | Heat-exchanger without contact | |
| #5 | Drying solid materials by removing liquid | |
| #6 | Burners | |
| #7 | Heat-exchange device details | |
| #8 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Steinbrueckner Adolf | 6 |
| Publication | Filing date | Title |
|---|---|---|
| GB301667A | Improvements in grinding, crushing or like mills | |
| DE424448C | Seals for drum furnaces |