- All sections
- E - Fixed constructions
- E21C - Mining or quarrying
- E21C 37/00 - Other methods or devices for dislodging with or without loading
Patent holdings for IPC class E21C 37/00
Total number of patents in this class: 85
10-year publication summary
|
5
|
17
|
5
|
3
|
5
|
8
|
15
|
7
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hypersciences, Inc. | 43 |
8 |
| Sandvik Mining and Construction Oy | 811 |
7 |
| ABB Schweiz AG | 6887 |
4 |
| Orica International Pte Ltd | 179 |
4 |
| Off-World, Inc. | 19 |
4 |
| J.H. Fletcher & Co. | 79 |
3 |
| China University of Mining and Technology | 1244 |
2 |
| China University of Mining and Technology, Beijing | 87 |
2 |
| Luossavaara-Kiirunavaara AB | 110 |
2 |
| Olitek Pty Ltd | 8 |
2 |
| Arcbyt, Inc. | 14 |
2 |
| Mgw Engineering Pty Ltd | 4 |
2 |
| Newcrest Mining Limited | 38 |
2 |
| 1854081 Ontario Ltd. | 4 |
2 |
| Leica Geosystems Pty Ltd | 10 |
2 |
| Schlumberger Technology Corporation | 10627 |
1 |
| Komatsu Ltd. | 4505 |
1 |
| Accenture Global Solutions Limited | 2296 |
1 |
| Corporacion Nacional Del Cobre de Chile | 27 |
1 |
| Enaex Servicios S.A. | 15 |
1 |
| Other owners | 32 |