| 2025/0073,787 | PNEUMATIC VIBRATION DEVICE WITH ROTATABLE PISTON SHAFT | Apr 24, 22 | Mar 06, 25 | SHENZHEN SUPERLINE TECHNOLOGY CO., LTD. |
| 2024/0307,920 | MANIFOLD FOR A HYDRAULIC VIBRATION GENERATING DEVICE OR HYDRAULIC MOTOR | Nov 27, 23 | Sep 19, 24 | Not available |
| 2022/0267,977 | VIBRATORY COMPACTOR | Apr 21, 22 | Aug 25, 22 | Not available |
| 2022/0152,655 | DEVICE FOR GENERATING PERCUSSIVE PULSES OR VIBRATIONS FOR A CONSTRUCTION MACHINE | Nov 12, 21 | May 19, 22 | Eurodrill GmbH |
| 2021/0370,349 | HYDRAULIC MOTOR | Aug 11, 21 | Dec 02, 21 | Not available |
| 2021/0205,846 | HYDRAULIC COMPACTION GENERATING DEVICE | Mar 19, 21 | Jul 08, 21 | Not available |
| 2021/0205,847 | HYDRAULIC VIBRATION GENERATING DEVICE | Mar 19, 21 | Jul 08, 21 | Not available |
| 2021/0060,614 | HYDRAULIC VIBRATION GENERATING DEVICE | Feb 27, 20 | Mar 04, 21 | Not available |
| 2021/0060,615 | HYDRAULIC VIBRATION GENERATING DEVICE | Nov 12, 20 | Mar 04, 21 | Not available |
| 2020/0316,646 | SINGLE-MASS, ONE-DIMENSIONAL RESONANT DRIVER | Apr 06, 20 | Oct 08, 20 | Not available |
| 2020/0217,160 | Agitator For Use With A Drill String | Oct 24, 17 | Jul 09, 20 | Halliburton Energy Services, Inc. |
| 2019/0047,020 | METHOD AND APPARATUS FOR MITIGATING INTERFERENCE AFFECTING A PROPAGATION OF ELECTROMAGNETIC WAVES GUIDED BY A TRANSMISSION MEDIUM | Oct 17, 18 | Feb 14, 19 | AT&T Intellectual Property I, L.P. |
| 2018/0361,432 | DEVICE AND METHOD FOR GENERATING PERCUSSIVE PULSES OR VIBRATIONS FOR A CONSTRUCTION MACHINE | May 18, 18 | Dec 20, 18 | Eurodrill GmbH |
| 2018/0297,081 | VIBRATION PISTON ARRANGEMENT IN THE SQUEEZING CYLINDER OF A TRACK TAMPER | Oct 24, 16 | Oct 18, 18 | Not available |
| 2017/0348,731 | TAMPING UNIT FOR TAMPING SLEEPERS OF A TRACK | Jan 30, 16 | Dec 07, 17 | PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN GESELLSCHAFT M.B.H. |
| 2017/0320,094 | VIBRATION GENERATOR | Mar 02, 17 | Nov 09, 17 | EURODRILL GMBH |
| 2017/0016,802 | VIBRATION EXCITER HAVING LOAD COMPENSATION | Feb 26, 15 | Jan 19, 17 | SPEKTRA Schwingungstechnik und Akustik GmbH Dresden |
| 2016/0318,069 | PRESSURE WAVE GENERATOR WITH A SABOT LAUNCHED PISTON | Jul 15, 16 | Nov 03, 16 | GENERAL FUSION INC. |
| 2016/0221,039 | METHOD AND APPARATUS FOR MITIGATING INTERFERENCE AFFECTING A PROPAGATION OF ELECTROMAGNETIC WAVES GUIDED BY A TRANSMISSION MEDIUM | Jan 30, 15 | Aug 04, 16 | AT&T INTELLECTUAL PROPERTY I, L.P. |
| 2016/0184,864 | VIBRATION GENERATING DEVICE | Aug 07, 14 | Jun 30, 16 | Not available |