| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Belgium | 2 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | Germany | 2 | |
| #6 | Denmark | 2 | |
| #7 | Spain | 2 | |
| #8 | Finland | 2 | |
| #9 | France | 2 | |
| #10 | United Kingdom | 2 | |
| #11 | Greece | 2 | |
| #12 | Ireland | 2 | |
| #13 | India | 2 | |
| #14 | Luxembourg | 2 | |
| #15 | Morocco | 2 | |
| #16 | Netherlands | 2 | |
| #17 | Norway | 2 | |
| #18 | New Zealand | 2 | |
| #19 | Portugal | 2 | |
| #20 | Sweden | 2 | |
| #21 | Turkey | 2 | |
| #22 | United States | 2 | |
| #23 | Argentina | 1 | |
| #24 | African Intellectual Property Organization | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rognoni Antonio | 20 |
| #2 | Rognoni A | 10 |
| #3 | A Rognoni | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US4355925A | Adjustable support for underwater pipe distant from the sea bed | |
| FI810300L | Anordning foer att uppstoeda ett roer under vatten |