| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Germany | 3 | |
| #3 | Norway | 1 | |
| #4 | Sweden | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Measurement | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cranes | |
| #2 | Winches | |
| #3 | Measuring force, work and fluid pressure | |
| #4 | Measuring length, angles and areas | |
| #5 | Pipes | |
| #6 | Elevators and escalators | |
| #7 | Measuring speed and acceleration | |
| #8 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Havard Jean | 6 |
| #2 | Charonnat Henri | 2 |
| #3 | Boureau Gilles | 2 |
| #4 | Cova Francois | 1 |
| #5 | Gachet Michel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3917074A | Control device for hoisting machines |