| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 23 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Transport | |
| #3 | Machine tools | |
| #4 | Mechanical elements | |
| #5 | Materials and metallurgy | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Harvesting | |
| #2 | Motor vehicles | |
| #3 | Horticulture | |
| #4 | Vehicles drawn by animals | |
| #5 | Positive-displacement engines | |
| #6 | Punching metal | |
| #7 | Metal tempering | |
| #8 | Forging | |
| #9 | Servomotors | |
| #10 | Clutches and brakes |
| Publication | Filing date | Title |
|---|---|---|
| GB638076A | Improvements in hydraulic control devices for the steering of automobile vehicles | |
| GB624236A | Improvements in hydraulic gear motors |