| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 19 | |
| #2 | United Kingdom | 6 | |
| #3 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Medical technology | |
| #4 | Machine tools | |
| #5 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Mixing | |
| #3 | Medical purpose containers | |
| #4 | Grinding or polishing devices | |
| #5 | Heat-exchange device details |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schoeffel Ludwig | 16 |
| #2 | Wingerter Emil | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB729029A | Improvements in or relating to adjusting devices for adjustable roller grinding machines | |
| GB715509A | Improvements in or relating to a multi-roll grinding machine | |
| GB684302A | Improvements in or relating to a multi-roll grinding machine | |
| GB685161A | Grinding machines | |
| GB494636A | Improvements in grinding bars for single and multiple roller machines | |
| GB459652A | Improvements in feeding hoppers for roller mills |