- All sections
- E - Fixed constructions
- E21C - Mining or quarrying
- E21C 41/30 - Methods of surface miningLayouts therefor for ores, e.g. mining placers
Patent holdings for IPC class E21C 41/30
Total number of patents in this class: 31
10-year publication summary
|
0
|
2
|
2
|
2
|
0
|
0
|
8
|
0
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Technological Resources Pty. Limited | 443 |
5 |
| MineSense Technologies Ltd. | 63 |
4 |
| Anglo American Technical & Sustainability Services Ltd | 72 |
3 |
| Anglo Corporate Services South Africa (Proprietary) Limited | 22 |
2 |
| Optima Mining Systems Pty Ltd | 3 |
2 |
| Blueland Technology Limited | 4 |
2 |
| Bauer Maschinen GmbH | 255 |
1 |
| CRC Ore Ltd | 1 |
1 |
| Flowback Fluids LLC | 5 |
1 |
| Mindspark Technologies Pty Ltd | 12 |
1 |
| SunCor Energy Inc. | 719 |
1 |
| Epiroc Rock Drills Aktiebolag | 689 |
1 |
| Olitek Pty Ltd | 10 |
1 |
| Orica International Pte Ltd | 200 |
1 |
| Newcrest Mining Limited | 38 |
1 |
| Bemax Resources Limited | 2 |
1 |
| BMT 3 Holdings Pty Ltd | 1 |
1 |
| Southwest Irrigation LLC | 2 |
1 |
| Seshat Consultants Pty Ltd | 1 |
1 |
| Other owners | 0 |