- All sections
- E - Fixed constructions
- E21C - Mining or quarrying
- E21C 37/14 - Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by compressed airOther methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by gas blastOther methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by gasifying liquids
Patent holdings for IPC class E21C 37/14
Total number of patents in this class: 10
10-year publication summary
|
1
|
0
|
2
|
0
|
3
|
1
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Orica Explosives Technology Pty Ltd. | 186 |
2 |
| China University of Mining and Technology | 1317 |
1 |
| Hohai University | 223 |
1 |
| Sandvik Mining and Construction Oy | 894 |
1 |
| Shandong University of Science and Technology | 546 |
1 |
| Stemlock, Incorporated | 9 |
1 |
| CanWhite Sands Corp. | 1 |
1 |
| CFI Technologies, LLC | 2 |
1 |
| POWERCHINA Huandong Engineering Corporation Limited | 1 |
1 |
| Other owners | 0 |