| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Germany | 4 | |
| #3 | France | 4 | |
| #4 | Italy | 3 | |
| #5 | Belgium | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | United States | 2 | |
| #8 | Australia | 1 | |
| #9 | Spain | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Venting or aerating devices | |
| #3 | Domestic plumbing installations | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Romanelli Antonio | 14 |
| #2 | Romanelli Mario | 4 |
| #3 | Romanelli Carmine | 4 |
| Publication | Filing date | Title |
|---|---|---|
| AU2003294875A1 | Compression fitting for pipes | |
| EP0671583A1 | Manifold for hydraulic systems | |
| EP0503737A1 | Improved nipple joint | |
| DE3816519A1 | Retractable hydraulic unit for supplying water to sanitary equipment | |
| FR2566872A1 | Perfected ball-cock | |
| CH661780A5 | Jointing and coupling device for tubes, in particular tubes made of plastic material | |
| US4029345A | Pipe fittings |