- All sections
- E - Fixed constructions
- E21C - Mining or quarrying
- E21C 25/60 - Slitting by jets of water or other liquid
Patent holdings for IPC class E21C 25/60
Total number of patents in this class: 21
10-year publication summary
|
4
|
1
|
0
|
4
|
2
|
1
|
3
|
0
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| China University of Mining and Technology | 1316 |
4 |
| China University of Mining and Technology, Beijing | 105 |
2 |
| Iluka Resources Limited | 36 |
2 |
| Mac & Mac Hydrodemolition Inc. | 49 |
2 |
| Halliburton Energy Services, Inc. | 21296 |
1 |
| Chongqing University | 307 |
1 |
| Ecosse Subsea Systems Ltd | 6 |
1 |
| KAIST (Korea Advanced Institute of Science and Technology) | 22 |
1 |
| Qingdao University of Science and Technology | 114 |
1 |
| Jiangsu Kampf Mechanical Technology Co., Ltd | 2 |
1 |
| Universidad Tecnológica de Panamá | 93 |
1 |
| Ptrm Pty Ltd | 2 |
1 |
| Xinjiang University | 13 |
1 |
| Deep Recovery Pte. Ltd. | 1 |
1 |
| Ccteg Chongqing Research Institute Co., Ltd. | 7 |
1 |
| Other owners | 0 |