Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850111 | Device for supporting and guiding supplying lines for digging devices | — | 2017-12-26 |
| 9151011 | Drilling device for executing diaphragm walls and method thereof | Stefano Trevisani, Maurizio Siepi, Carlo Crippa | 2015-10-06 |
| 8915056 | Supporting and guiding device for feeding lines for digging tools | — | 2014-12-23 |
| 8112911 | Method and device for mixing earth in situ for the formation of underground walls or diaphragms | — | 2012-02-14 |
| 6354026 | Trench rig | — | 2002-03-12 |
| 5645131 | Device for joining threaded rods and tubular casing elements forming a string of a drilling rig | — | 1997-07-08 |
| 5431238 | Drilling tool for use in constructing large diameter piles, ventilating shafts and other similar mining works | — | 1995-07-11 |
| 5382114 | Tunnel excavation apparatus | — | 1995-01-17 |
| 5375667 | Stowing and handling system for rods used in drilling rigs | — | 1994-12-27 |
| 5290125 | Tunnel lining method and apparatus suitable for the purpose | — | 1994-03-01 |
| 5173027 | Automated parking system and subassemblies therefor | — | 1992-12-22 |
| 5152638 | Process and apparatus for excavating tunnels | — | 1992-10-06 |
| 5112161 | Method for excavating and constructing monolithic continuous straight or circular structural walls and a machine for realizing such a method | — | 1992-05-12 |
| 5104260 | Method and apparatus for tunnelling | — | 1992-04-14 |
| 4848972 | Process and apparatus for widening roadways | — | 1989-07-18 |