| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 7 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | United States | 3 | |
| #4 | Canada | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Separation | |
| #3 | Unspecified technologies | |
| #4 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Messina Aurelio | 17 |
| Publication | Filing date | Title |
|---|---|---|
| EP1649918A1 | Cleaning device for dust-removing filters | |
| WO03035218A1 | Method and device for cleaning dust-removing filters | |
| CA2127574A1 | Sealing device, on tubular and/or circular tanks, for firing membrane valves, for cleaning sleeve filters | |
| EP0344126A1 | Improved actuator for actuating valves | |
| EP0167497A1 | A semi-rotating single acting pneumatic actuator | |
| EP0094917A1 | One-effect semirotating pneumatic actuator, with spring return |