| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Canada | 1 | |
| #3 | German Democratic Republic | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Spain | 1 | |
| #7 | Ireland | 1 | |
| #8 | Israel | 1 | |
| #9 | India | 1 | |
| #10 | Japan | 1 | |
| #11 | Mexico | 1 | |
| #12 | Malaysia | 1 | |
| #13 | Norway | 1 | |
| #14 | New Zealand | 1 | |
| #15 | Portugal | 1 | |
| #16 | Singapore | 1 | |
| #17 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coxon John Richard | 7 |
| #2 | Coxon John R | 3 |
| #3 | Kokuson Jiyon Richiyaado | 1 |
| #4 | Coxon J R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0025260A1 | Variable pitch marine propeller |