| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Computer technology | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Unspecified technologies | |
| #3 | Parachutes | |
| #4 | Measuring force, work and fluid pressure | |
| #5 | Measuring length, angles and areas | |
| #6 | Steam turbines | |
| #7 | Unspecified technologies | |
| #8 | Analogue computers | |
| #9 | Weighing | |
| #10 | Testing of structures |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roche Jean A | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2937526A | Pressure responsive apparatus for turbojet engine controls | |
| US2338302A | Propeller hub | |
| US2266079A | Wheel with central brake | |
| US2257483A | Tension gauge | |
| US2238782A | Gauging device for complex curved surfaces | |
| US2255814A | Load distribution indicator | |
| US2038603A | Stop flutter device | |
| US1568087A | Airplane-fuselage construction | |
| US1588268A | Fuselage construction | |
| US1329478A | Juy-wire fitting | |
| US1385755A | Gun-mount for airplanes | |
| US1329477A | Landing-gear for airplanes |