| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Russian Federation | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Hong Kong | 1 | |
| #7 | Italy | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Singapore | 1 | |
| #10 | United States | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Venting or aerating devices | |
| #3 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tomei Umberto | 17 |
| #2 | Cavatorta Paolo | 14 |
| #3 | Kavatorta Paolo | 3 |
| Publication | Filing date | Title |
|---|---|---|
| ITBO20130351A1 | STARTING VALVE OF A FLUID OPERATING MACHINE OPERATING IN A VACUUM SYSTEM | |
| RU2547211C2 | Dry screw compressor | |
| AU2010250849A1 | Screw compressor |