| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Machines |
| Publication | Filing date | Title |
|---|---|---|
| GB433491A | Improvements in and relating to the drive of supercharging centrifugal compressors for internal-combustion engines | |
| GB410720A | Improvements in centrifugal supercharging devices for aircraft engines | |
| GB398361A | Improvements in clutch mechanisms | |
| GB369875A | Improvements in and relating to the lubrication of internal combustion engines | |
| GB385373A | Improvements in and relating to the supercharging of internal combustion engines, inparticular of aircraft engines |