Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000362 | Shut-off device made of refractory material for a slide-gate pouring appliance | Salvatore Foglio, Roberto Ricci | 1991-03-19 |
| 4303182 | Device for elastically clamping a sliding discharge gate by a torsion bar | Enrico Dellepiane, Roberto Ricci | 1981-12-01 |
| 4256291 | Three-positions sliding gate valve | Enrico Dellepiane, Roberto Ricci | 1981-03-17 |
| 4187965 | Box discharger comprising reloadable refractory plates, with wedge locking | Giovanni Aliprandi, Roberto Ricci | 1980-02-12 |