Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344861 | Hammer having composite piston sleeve | — | 2019-07-09 |
| 10335939 | Lubrication system for hydraulic hammer | — | 2019-07-02 |
| 10286535 | Valve body charge lock | Joshua Grzybowski | 2019-05-14 |
| 10245714 | Hydraulic buffer with fast startup | — | 2019-04-02 |
| 10239195 | System configured to couple a hydraulic hammer and tool | — | 2019-03-26 |
| 10226857 | Reversible bushing | — | 2019-03-12 |
| 10201894 | Collet hydraulic hammer bushing | — | 2019-02-12 |
| 10094754 | Pressure indicator for hydraulic hammer | Lauritz Pillers | 2018-10-09 |
| 10076831 | Buffer system for hydraulic hammer | — | 2018-09-18 |
| 10035251 | Wear indicating system | — | 2018-07-31 |
| 10029358 | Hydraulic hammer with clearance control system | — | 2018-07-24 |
| 9993914 | Hammer tool assembly | Jayaram Gunasekaran, Arun Palanoor, Colins V. Jacob, DineshBabu Padmanabhan | 2018-06-12 |
| 9909666 | Hammer having piston sleeve with spiral grooves | — | 2018-03-06 |
| 9840000 | Hydraulic hammer having variable stroke control | Vaino Esko Juvonen | 2017-12-12 |
| 9822802 | Accumulator membrane for a hydraulic hammer | — | 2017-11-21 |
| 9701003 | Hydraulic hammer having delayed automatic shutoff | — | 2017-07-11 |
| 9656377 | Self-charging hydraulic hammer | Bart A. Fisher | 2017-05-23 |
| 9643310 | Automatic lubrication system with detune | — | 2017-05-09 |
| 9592598 | Hydraulic hammer having impact system subassembly | — | 2017-03-14 |
| 9555531 | Hydraulic hammer having co-axial accumulator and piston | — | 2017-01-31 |
| 9527198 | Surge accumulator for hydraulic hammer | — | 2016-12-27 |
| 9308635 | Variable volume accumulator | — | 2016-04-12 |
| 9151386 | Accumulator membrane for a hydraulic hammer | — | 2015-10-06 |