| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 67 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Electric motor controls | |
| #3 | Dynamo-electric machines | |
| #4 | Transport or storage devices | |
| #5 | Emergency protective circuit arrangements | |
| #6 | Winches | |
| #7 | Doors and windows | |
| #8 | Electric switches | |
| #9 | Gearing | |
| #10 | Nails |
| Publication | Filing date | Title |
|---|---|---|
| FR746790A | Damper for swing doors |