- All sections
- E - Fixed constructions
- E21C - Mining or quarrying
- E21C 35/24 - Remote control specially adapted for machines for slitting or completely freeing the mineral
Patent holdings for IPC class E21C 35/24
Total number of patents in this class: 223
10-year publication summary
|
20
|
18
|
14
|
19
|
18
|
11
|
25
|
14
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Joy Global Underground Mining LLC | 344 |
45 |
| China University of Mining and Technology | 1308 |
15 |
| Epiroc Rock Drills Aktiebolag | 656 |
13 |
| RAG Aktiengesellschaft | 30 |
12 |
| Sandvik Mining and Construction Oy | 886 |
11 |
| Komatsu Ltd. | 4703 |
10 |
| Technological Resources Pty. Limited | 443 |
7 |
| Caterpillar Inc. | 10272 |
5 |
| The Mosaic Company | 235 |
5 |
| Sany Heavy Equipment Co., Ltd. | 92 |
5 |
| Caterpillar Global Mining Europe GmbH | 85 |
4 |
| Wirtgen GmbH | 518 |
4 |
| Beijing Ccri-tianma Automation Technology Co., Ltd. | 77 |
4 |
| Sandvik Intellectual Property AB | 1398 |
3 |
| Xuzhou Zhirun Mining Equipment Science and Technology Co., Ltd. | 29 |
3 |
| Shanxi Tiandi Coal Mining Machinery Co., Ltd. | 25 |
3 |
| Bucyrus Europe GmbH | 32 |
2 |
| China University of Mining and Technology, Beijing | 107 |
2 |
| SunCor Energy Inc. | 734 |
2 |
| Joy Global Surface Mining Inc | 372 |
2 |
| Other owners | 66 |