| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 16 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Consumer goods | |
| #5 | Organic fine chemistry | |
| #6 | Pharmaceuticals | |
| #7 | Furniture and games | |
| #8 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koehler Heinrich | 14 |
| Publication | Filing date | Title |
|---|---|---|
| GB678354A | Ring-roller moulding press | |
| GB499121A | A method and device for breaking into briquettes the notched strip produced in a ring roller press | |
| GB279417A | Improvements in or relating to fountain pens |