| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 77 | |
| #2 | United Kingdom | 4 | |
| #3 | Canada | 2 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Electrical machinery and energy | |
| #4 | Control | |
| #5 | Engines, pumps and turbines | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Servomotors | |
| #3 | Electric switches | |
| #4 | Gearing | |
| #5 | Systems controlling non-electric variables | |
| #6 | Ammunition fuzes | |
| #7 | Controlling combustion engines | |
| #8 | Mechanical control devices | |
| #9 | Supplying combustion engines | |
| #10 | Traffic control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Duchaussoy Camille | 18 |
| #2 | Duchaussoy Camille-Charles | 13 |
| #3 | Salaun Pierre | 5 |
| #4 | Billon Marcel | 4 |
| #5 | Deborne Charles | 3 |
| #6 | Doussain Robert | 2 |
| #7 | Audemar Pierre Guillaume Josep | 2 |
| #8 | Lyonnet Pierre | 2 |
| #9 | Gerard Paul | 2 |
| #10 | Deborne Charles-Lucien-Casim | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB716578A | Improvements in regulating apparatus for controlling the speed of a motor | |
| US2790387A | Vehicle operated hydraulic device | |
| FR990320A | Device for regulating the flow of a fluid | |
| FR1007881A | Pressure relay | |
| US2492045A | Electronic impulse speed regulator | |
| GB638136A | Improvements in or relating to air-brake airscrews | |
| GB604308A | Improvements in or relating to arrangements for controlling the pitch-variation of coaxial propellers | |
| GB607963A | Improvements in or relating to gearing arrangements | |
| CA450357A | Pump | |
| CA450358A | Hydraulic control device |