| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 14 | |
| #2 | Switzerland | 2 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | Belgium | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Thermal processes | |
| #3 | Control | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Fluid heaters | |
| #3 | Systems controlling non-electric variables | |
| #4 | Supplying combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bortolan Lorenzo | 7 |
| #2 | Lorenzo Bortolan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2906341A1 | AUTOMATIC QUICK DRAIN VALVE |