| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | Denmark | 2 | |
| #4 | Finland | 2 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Japan | 2 | |
| #8 | Netherlands | 2 | |
| #9 | Norway | 2 | |
| #10 | Poland | 2 | |
| #11 | Portugal | 2 | |
| #12 | Sweden | 2 | |
| #13 | Brazil | 1 | |
| #14 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tarrant D Jarrett | 5 |
| #2 | Tarrant Jr D J | 2 |
| #3 | Tarrant Jr Duel Jarrett | 2 |
| #4 | Deyuaru Jiyarato Taranto Jiyun | 2 |
| #5 | Tarrant Duel J Jr | 2 |
| #6 | Tarrant Jun Duell Jarrett | 1 |
| #7 | Tarrant Jarret | 1 |
| #8 | Tarrant D | 1 |
| #9 | Tarrant Jarret D | 1 |
| #10 | Tarrant D J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1055262A | Leg and guide construction for use in jack-up barges | |
| PT65718A | Improved hull construction | |
| US4015434A | Leg and guide construction for use in jackup barges |