| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 7 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | Spain | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Greece | 1 | |
| #8 | India | 1 | |
| #9 | Netherlands | 1 | |
| #10 | Norway | 1 | |
| #11 | African Intellectual Property Organization | 1 | |
| #12 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rognoni Antonio | 11 |
| #2 | Antonio Rognoni | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US4494584A | Device for filling a pipe with fluids, for emptying fluids from a pipe and for drying a pipe |