| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 15 | |
| #2 | Austria | 1 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Control |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Springs | |
| #3 | Vehicle brake control systems | |
| #4 | Motor vehicles | |
| #5 | Clutches and brakes | |
| #6 | Vehicle signalling and lighting | |
| #7 | Non-portable lighting devices | |
| #8 | Vehicle transmission mounting | |
| #9 | Alarm systems | |
| #10 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoyau Societe Anonyme Des Anci | 1 |