| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Control | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Systems controlling non-electric variables | |
| #3 | Fire-fighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ravazzolo Romano | 12 |
| Publication | Filing date | Title |
|---|---|---|
| GR20070100104A | Inertial activation device, particularly for a gas on-off valve. | |
| DE19952610A1 | Stop valve for controlling low and high pressure fluid flow has cam which shifts with diaphragm based on variation in pressure of fluid |