| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 14 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Basic communication technologies | |
| #3 | Electrical machinery and energy | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Resonators | |
| #3 | Grinding tools | |
| #4 | Grinding or polishing devices | |
| #5 | Dynamo-electric machines | |
| #6 | Percussive tools | |
| #7 | Making gears or toothed racks | |
| #8 | Brushes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Caroff Yves-Robert | 1 |
| #2 | Pelie Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB688429A | Improvements in drill chucks |