| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 35 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Electrical machinery and energy | |
| #3 | Measurement | |
| #4 | Mechanical elements | |
| #5 | Transport | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Electric switches | |
| #3 | Winches | |
| #4 | Electric motor controls | |
| #5 | Measuring volume | |
| #6 | Vehicle servicing | |
| #7 | Belts or cables for driving | |
| #8 | Fire-fighting | |
| #9 | Cables and insulators | |
| #10 | Lifting and pushing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roche Henri | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB718879A | Improvements in or relating to devices for controlling lifts and the like utilizing the ward leonard method | |
| GB302919A | Safety device for the operation of lifts |