| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Germany | 3 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Sawing | |
| #2 | Unspecified technologies | |
| #3 | Turning | |
| #4 | Thread cutting | |
| #5 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Edouard Coenen | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB246462A | Improvements in turning-lathes | |
| US1664968A | Lathe | |
| US1645895A | Process of making files | |
| GB224768A | Improvements in metal-cutting files and in the process for their manufacture | |
| GB205042A | Improvements in screw-cutting taps | |
| GB205041A | Improvements in files | |
| US1406540A | Screw-cutting head |