- Sections
- E - Constructions fixes
- E21C - Exploitation des mines ou carrières
- E21C 41/00 - Procédés d'exploitation minière souterraine ou en surfaceTracés à cet effet
Détention brevets de la classe E21C 41/00
Brevets de cette classe: 130
Historique des publications depuis 10 ans
|
11
|
13
|
16
|
17
|
8
|
8
|
7
|
10
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Technological Resources Pty. Limited | 443 |
21 |
| Sandvik Mining and Construction Oy | 804 |
6 |
| Wirtgen GmbH | 502 |
5 |
| Opti-minez Pty Ltd | 7 |
4 |
| Epiroc Rock Drills Aktiebolag | 489 |
4 |
| Caterpillar Inc. | 9417 |
3 |
| Komatsu Ltd. | 4492 |
3 |
| Joy MM Delaware, Inc. | 56 |
3 |
| Joy Global Underground Mining LLC | 342 |
3 |
| Active Minerals International, LLC | 44 |
2 |
| Dyno Nobel Inc. | 165 |
2 |
| Her Majesty The Queen in Right of Canada AS represented by The Minister of Natural Resources Canada | 51 |
2 |
| Mindspark Technologies Pty Ltd | 11 |
2 |
| Pinnacle Potash International, Ltd., General Partner, Sabine International, Inc., a Texas corporation | 5 |
2 |
| Teck Resources Limited | 56 |
2 |
| Tenax S.p.A. | 45 |
2 |
| The University of Melbourne | 532 |
2 |
| Underground Extraction Technologies Pty Ltd | 17 |
2 |
| HPS Enterprises II, LLC | 2 |
2 |
| Orica International Pte Ltd | 179 |
2 |
| Autres propriétaires | 56 |