| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 2 | |
| #4 | Canada | 1 | |
| #5 | Ireland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Computer technology | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Data recognition and presentation | |
| #3 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Corradino D Ascanio | 2 |
| #2 | Ascanio Corradino D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB394402A | Improvements in propellers of helicopters | |
| US1867733A | Propeller of helicopters | |
| GB337698A | Improvements in helicopters | |
| IE11273L | Helicopters | |
| US1960141A | Helicopter | |
| GB292639A | Improvements in electro pneumatic machines for the recording and checking of statistics and the like | |
| GB253134A | Improvements in electro-pneumatic machines for the recording and checking of statistics and the like | |
| CA305959A | Helicopter |