| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 2 | |
| #2 | United States | 2 | |
| #3 | South Africa | 2 | |
| #4 | Argentina | 1 | |
| #5 | Brazil | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Israel | 1 | |
| #8 | Turkey | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Environmental technology | |
| #3 | Chemical engineering | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Ships | |
| #2 | Marine propulsion | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Separation | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hull F | 5 |
| Publication | Filing date | Title |
|---|---|---|
| GB1480381A | Marine pump-jet propulsion system | |
| US3800511A | Extensible incinerator gas scrubber system with standard ductwork | |
| ZA726369B | Marine jet propulsion system | |
| US3779200A | Marine jet propulsion system |