Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11933143 | Pressurized fluid flow system for percussive mechanisms | — | 2024-03-19 |
| 11686157 | Pressure reversing valve for a fluid-actuated, percussive drilling tool | — | 2023-06-27 |
| 11174680 | Pressurized fluid flow system having multiple work chambers for a DTH hammer and normal circulation hammer thereof | — | 2021-11-16 |
| 10316586 | Pressurized fluid flow system for a DTH hammer and normal circulation hammer thereof | — | 2019-06-11 |
| 9016403 | Pressurized fluid flow system having multiple work chambers for a down-the-hole drill hammer and normal and reverse circulation hammers thereof | — | 2015-04-28 |
| 8973681 | Pressurized fluid flow system for a reverse circulation down-the-hole hammer and hammer thereof | — | 2015-03-10 |
| 8640794 | Pressurized fluid flow system for a normal circulation hammer and hammer thereof | — | 2014-02-04 |
| 7921941 | Pressurized fluid flow system for a reverse circulation hammer | — | 2011-04-12 |