| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 7 | |
| #2 | Italy | 7 | |
| #3 | United States | 4 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | China | 2 | |
| #6 | Australia | 1 | |
| #7 | Brazil | 1 | |
| #8 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Preparation of materials | |
| #3 | Fillers | |
| #4 | Mixing | |
| #5 | Certain plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Colombo Ubaldo | 20 |
| #2 | Colombo Marco | 3 |
| #3 | Ubaldo Colombo | 1 |
| #4 | Colombo Ubaldoo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP3453508A1 | Extruder feeding assembly and extruder apparatus incorporating it | |
| IT201800002860A1 | TWIN-SCREW MIXER-EXTRUDER, INCLUDING CONTROL MEANS OF A MIXING CHAMBER | |
| WO2005039847A1 | Machine for mixing and extruding rubber-based and silicone-based plastic materials and method therefor | |
| EP1352729A1 | Screw extruder with discharge pump | |
| EP1232847A1 | Pin-barrel extruder | |
| EP0985509A1 | Method and apparatus for the curing of extruded sections on a bath of melted salts |