- All sections
- E - Fixed constructions
- E21F - Safety devices, transport, filling-up, rescue, ventilation, or drainage in or of mines or tunnels
- E21F 17/06 - Distributing electric powerCable networksConduits for cables
Patent holdings for IPC class E21F 17/06
Total number of patents in this class: 40
10-year publication summary
|
2
|
1
|
0
|
1
|
2
|
1
|
3
|
12
|
2
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Epiroc Rock Drills Aktiebolag | 670 |
9 |
| Sandvik Mining and Construction Oy | 889 |
6 |
| ABB Schweiz AG | 7680 |
3 |
| Komatsu Ltd. | 4759 |
2 |
| Modular Mining Systems, Inc. | 92 |
2 |
| GE Global Sourcing LLC | 861 |
2 |
| Caterpillar Inc. | 10299 |
1 |
| Caterpillar Global Mining Equipment LLC | 181 |
1 |
| China University of Mining and Technology, Beijing | 105 |
1 |
| Freeport-McMoRan Inc. | 66 |
1 |
| J.H. Fletcher & Co. | 71 |
1 |
| Newtrax Holdings Inc. | 36 |
1 |
| Nexans | 644 |
1 |
| SOCOMEC S.A. | 53 |
1 |
| Wuhan Changsheng Mine Security Technology Limited | 6 |
1 |
| First Quantum Minerals Ltd | 22 |
1 |
| Huaibei Mining Holdings Co.,Ltd. | 1 |
1 |
| Newcrest Mining Limited | 37 |
1 |
| Döllken Profiles GmbH | 7 |
1 |
| Aquirian Technology Pty Ltd | 34 |
1 |
| Other owners | 2 |