| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Bulgaria | 1 | |
| #2 | German Democratic Republic | 1 | |
| #3 | Denmark | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Norway | 1 | |
| #8 | Sweden | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 | |
| #11 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Ships |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ellis Wilfred | 11 |
| #2 | Wilfred Ellis | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5090353A | Open cellular containership and method | |
| YU163686A | Improved added upper part of cargo room of a container ship | |
| DD273817A5 | Improved open cellular container ship | |
| EP0228419A1 | Improved open cellular containership. |