| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 25 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Harnesses | |
| #2 | Cycle brakes | |
| #3 | Making metal chains | |
| #4 | Metal wire processing | |
| #5 | Clutches and brakes | |
| #6 | Making forged metal products | |
| #7 | Gearing | |
| #8 | Nails | |
| #9 | Belts or cables for driving | |
| #10 | Wheelchairs and sledges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Robergel Eugene-Louis | 25 |
| #2 | Robergel Gabriel-Jules | 1 |