| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Transport | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Vehicle brake control systems | |
| #3 | Gearing | |
| #4 | Vehicle transmission mounting | |
| #5 | Supplying combustion engines | |
| #6 | Rotary-pistons |
| Publication | Filing date | Title |
|---|---|---|
| GB342127A | Improvements in change speed gears | |
| GB337692A | Improvements in or relating to brakes for vehicles | |
| GB353852A | Improvements in pumps more particularly for supplying internal combustion engines | |
| DE563737C | Two-stroke internal combustion engine | |
| DE548658C | Gear change transmission |