- All sections
- E - Fixed constructions
- E21B - Earth or rock drillingobtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B 6/00 - Drives for drilling with combined rotary and percussive action
Patent holdings for IPC class E21B 6/00
Total number of patents in this class: 101
10-year publication summary
|
10
|
8
|
10
|
3
|
3
|
3
|
8
|
3
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Montabert | 59 |
12 |
| Flexidrill Limited | 46 |
10 |
| Sandvik Mining and Construction Oy | 819 |
9 |
| Atlas Copco Rock Drills AB | 143 |
6 |
| Epiroc Rock Drills Aktiebolag | 512 |
6 |
| Halliburton Energy Services, Inc. | 20835 |
4 |
| Mincon International Limited | 53 |
3 |
| Robit Plc | 34 |
3 |
| US Synthetic Corporation | 624 |
3 |
| Varel Mining and Industrial LLC | 8 |
3 |
| Center Rock Inc. | 45 |
2 |
| Hypersciences, Inc. | 43 |
2 |
| Turbo Drill Industries, Inc. | 63 |
2 |
| Schlumberger Technology Corporation | 10662 |
1 |
| Schlumberger Canada Limited | 7273 |
1 |
| Robert Bosch GmbH | 42614 |
1 |
| California Institute of Technology | 3973 |
1 |
| Hilti Aktiengesellschaft | 3489 |
1 |
| Atlas Copco Drilling Solutions LLC | 15 |
1 |
| Atlas Copco Secoroc LLC | 19 |
1 |
| Other owners | 29 |