- Sections
- E - Constructions fixes
- E21C - Exploitation des mines ou carrières
- E21C 41/00 - Procédés d'exploitation minière souterraine ou en surface; Tracés à cet effet
Détention brevets de la classe E21C 41/00
Brevets de cette classe: 128
Historique des publications depuis 10 ans
|
5
|
11
|
13
|
16
|
17
|
8
|
8
|
7
|
9
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Technological Resources Pty. Limited | 444 |
22 |
| Sandvik Mining and Construction Oy | 703 |
6 |
| Wirtgen GmbH | 507 |
5 |
| Opti-minez Pty Ltd | 7 |
4 |
| Epiroc Rock Drills Aktiebolag | 405 |
4 |
| Komatsu Ltd. | 4265 |
3 |
| BHP Billiton Innovation Pty Ltd. | 29 |
3 |
| Joy MM Delaware, Inc. | 58 |
3 |
| Joy Global Underground Mining LLC | 331 |
3 |
| Caterpillar Inc. | 8877 |
2 |
| Active Minerals International, LLC | 45 |
2 |
| Dyno Nobel Inc. | 163 |
2 |
| Her Majesty The Queen in Right of Canada AS represented by The Minister of Natural Resources Canada | 89 |
2 |
| Mindspark Technologies Pty Ltd | 12 |
2 |
| Penguin Automated Systems Inc. | 19 |
2 |
| Pinnacle Potash International, Ltd., General Partner, Sabine International, Inc., a Texas corporation | 6 |
2 |
| Teck Resources Limited | 50 |
2 |
| Tenax S.p.A. | 42 |
2 |
| The University of Melbourne | 499 |
2 |
| Underground Extraction Technologies Pty Ltd | 17 |
2 |
| Autres propriétaires | 53 |