- 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 6/08 - Separate drives for percussion and rotation
Patent holdings for IPC class E21B 6/08
Total number of patents in this class: 12
10-year publication summary
|
5
|
0
|
1
|
1
|
1
|
0
|
0
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lkab Wassara AB | 22 |
3 |
| Eurodrill GmbH | 34 |
1 |
| Flexidrill Limited | 44 |
1 |
| Mincon International | 4 |
1 |
| Resonator AS | 5 |
1 |
| Strada Design Limited | 9 |
1 |
| Strada Design Limited | 2 |
1 |
| Tracto-Technik GmbH & Co. KG | 169 |
1 |
| Intelligent Drilling Applications & Technologies (idat) Pty Ltd | 1 |
1 |
| Intelligent Drilling Applications & Technology Pty Ltd | 4 |
1 |
| Other owners | 0 |