Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974379 | Rock breaking device | — | 2021-04-13 |
| 10926394 | Hydraulic percussion device | — | 2021-02-23 |
| 8167055 | Percussion device actuated by a pressurized non-compressible fluid | — | 2012-05-01 |
| 8151900 | Percussion equipment driven by a pressurized incompressible fluid | — | 2012-04-10 |
| 6901842 | Percussion hydraulic apparatus | — | 2005-06-07 |
| 6829975 | Hydraulic percussion apparatus | — | 2004-12-14 |
| 5392865 | Hydraulic percussion apparatus | — | 1995-02-28 |
| 5388842 | Device for holding the tool of a hydraulic rock breaker | Jean-Sylvain Comarmond | 1995-02-14 |
| 4858702 | Hydraulic distributor for percussion apparatus driven by an incompressible fluid under pressure | — | 1989-08-22 |