| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 20 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Mechanical elements | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Percussive tools | |
| #2 | Tools for connecting or disengaging | |
| #3 | Grinding or polishing devices | |
| #4 | Cleaning heat-exchanger internal surfaces | |
| #5 | Lubricating | |
| #6 | Machines for making railways | |
| #7 | Pumps | |
| #8 | Working stone | |
| #9 | Punching metal |