Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290083 | Heating system for tanks for assembly for supporting the floating roofs of tanks for storing liquids | Luis Adolfo Velloso Pradel | 2001-09-18 |
| 6273287 | Vacuum-relief valve for the floating roofs of tanks for storing liquids | Luis Adolfo Velloso Pradel | 2001-08-14 |
| 6244224 | Heating system for tanks for storing liquid products | — | 2001-06-12 |
| 6241924 | Method for inverting the convex configuration of a liquid-product storage-tank bottom by applying hardenable material having plastic properties | Luis Adolfo Velloso Pradel | 2001-06-05 |
| 6199329 | Liquid storage system | — | 2001-03-13 |
| 6119885 | Tank for storing liquid products | — | 2000-09-19 |
| 5935427 | System for draining a liquid storage tank | Antonio Jorge Leitao Schilling, Claudio Camilo Da Silva, Edu Correa Francisco, Artur Rogerio Monteiro Marinho | 1999-08-10 |