| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 44 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Clutches and brakes | |
| #3 | Supplying combustion engines | |
| #4 | Pistons and sealings | |
| #5 | Vehicle suspension arrangements | |
| #6 | Vehicle transmission mounting | |
| #7 | Mechanical control devices | |
| #8 | Springs | |
| #9 | Vehicle seats | |
| #10 | Cooling of machines |
| Publication | Filing date | Title |
|---|---|---|
| GB618588A | Engine and electromagnetic change-speed gear unit | |
| GB593987A | Synchronizer for electromagnetic change-speed gears |