| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Transport | |
| #4 | Surface technology and coating | |
| #5 | Chemical engineering | |
| #6 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Pumps | |
| #3 | Springs | |
| #4 | Separation | |
| #5 | Vehicle signalling and lighting | |
| #6 | Hand carts | |
| #7 | Gas-flow silencers for machines | |
| #8 | Venting or aerating devices | |
| #9 | Electrolytic coating production |