- All sections
- E - Fixed constructions
- E21B - Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 1/24 - Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
Patent holdings for IPC class E21B 1/24
Total number of patents in this class: 29
10-year publication summary
|
3
|
2
|
2
|
1
|
1
|
2
|
8
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sandvik Mining and Construction Oy | 784 |
6 |
| Mincon International Limited | 51 |
3 |
| Atlas Copco Rock Drills AB | 160 |
2 |
| Montabert | 61 |
2 |
| Epiroc Rock Drills Aktiebolag | 456 |
2 |
| Halliburton Energy Services, Inc. | 20403 |
1 |
| The Charles Machine Works, Inc. | 416 |
1 |
| Daemo Engineering Co., Ltd. | 30 |
1 |
| Eurodrill GmbH | 26 |
1 |
| Sandvik Intellectual Property AB | 1546 |
1 |
| S.m Metal Co., Ltd. | 4 |
1 |
| TEI Rock Drills, Inc. | 14 |
1 |
| Terra Sonic International, LLC | 34 |
1 |
| Top Mark Mechanical Equipment Limited | 3 |
1 |
| S.D.S. Digger Tools Pty Ltd | 1 |
1 |
| Rotojar Innovations Limited | 30 |
1 |
| Beijing Capital Heat Co., Ltd. | 1 |
1 |
| Limited Liability Company "ukrainian Impuls Industries" | 1 |
1 |
| Senera Oy | 10 |
1 |
| Other owners | 0 |