Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199000 | Method for producing a reinforced concrete part, and thus-produced part | — | 2021-12-14 |
| 8453413 | Reinforced construction element | — | 2013-06-04 |
| 6874651 | Sealed and resistant tank | — | 2005-04-05 |
| 6701688 | Reinforcing cage for an armored concrete element | — | 2004-03-09 |
| 6484758 | Conduit for circulation of fluid under pressure | — | 2002-11-26 |
| 5904185 | Conduit for the circulation of fluid | — | 1999-05-18 |
| 5449020 | Elongated enclosure of large cross-section, and process for its manufacture | — | 1995-09-12 |
| 5281053 | Underground tubular structural system and process for producing it | — | 1994-01-25 |
| 5199819 | Semi-buried structure formed on a mountainside | — | 1993-04-06 |
| 5180254 | Fluid-conveying conduit | — | 1993-01-19 |
| 5092710 | Underground tubular structural system and process for producing it | — | 1992-03-03 |
| 5061121 | Fluid-conveying conduit | — | 1991-10-29 |
| 4869294 | Buried large cross-section conduit | — | 1989-09-26 |
| 4836714 | Enclosed structures of very large cross-section, such as conduits, silos or shelters | — | 1989-06-06 |
| 4835936 | Process for obtaining hollow structures such as conduits, silos or shelters | — | 1989-06-06 |
| 4735234 | Buried large cross-section conduit | — | 1988-04-05 |
| 4693635 | Method of producing hollow structures and hollow structures | — | 1987-09-15 |
| 4685829 | Modular construction system for a covered structure | — | 1987-08-11 |