| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 22 | |
| #2 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines | |
| #4 | Agriculture | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Springs | |
| #3 | Harvesting | |
| #4 | Vehicle suspension arrangements | |
| #5 | Gearing | |
| #6 | Internal-combustion piston engines | |
| #7 | Motor vehicles | |
| #8 | Machines | |
| #9 | Gas-flow silencers for machines | |
| #10 | Vehicle brake control systems |
| Publication | Filing date | Title |
|---|---|---|
| GB736471A | Improvements in or relating to clutch devices | |
| GB610044A | Improvements in universal joints | |
| GB611218A | Improvements in torsion bar suspension devices for vehicle wheels | |
| GB596945A | Improvements in universal joints |