| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Italy | 3 | |
| #3 | Canada | 1 | |
| #4 | Germany | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Springs | |
| #3 | Steam turbines | |
| #4 | Clutches and brakes | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bianchi Massimiliano | 11 |
| Publication | Filing date | Title |
|---|---|---|
| WO2018065800A1 | Nautical propeller | |
| US2014291079A1 | Device for preventing a shaft rotation | |
| CA1082534A | Feathering propeller especially for sailing boats | |
| DE2721897A1 | Auxiliary propeller for sailing boat - has bevel gears to feather blades about roots to reduce drag for sailing | |
| US4140434A | Feathering propeller especially for sailing boats | |
| IT1052002B | Sailing boat auxiliary drive propeller feathering mechanism - has bevel gears permitting partial blade rotation on engine start up |