| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Thread cutting | |
| #2 | Analysing materials | |
| #3 | Unspecified technologies | |
| #4 | Clutches and brakes | |
| #5 | Separating solids | |
| #6 | Gearing |
| Publication | Filing date | Title |
|---|---|---|
| GB305950A | Improvements in and connected with screw thread cutters |