- Sections
- E - Constructions fixes
- E21C - Exploitation des mines ou carrières
- E21C 41/32 - Réaménagement de surfaces d'exploitation minière
Détention brevets de la classe E21C 41/32
Brevets de cette classe: 23
Historique des publications depuis 10 ans
3
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3
|
2
|
2
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4
|
1
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2
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1
|
2
|
0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
Proprétaire |
Total
|
Cette classe
|
---|---|---|
Massachusetts Institute of Technology | 9795 |
2 |
China University of Mining and Technology | 1189 |
2 |
Weir Canada, Inc. | 21 |
2 |
HPS Enterprises II, LLC | 2 |
2 |
China University of Mining and Technology, Beijing | 66 |
1 |
Industry-Academic Cooperation Foundation Gyeongsang National University | 518 |
1 |
Jri Ingenieria S.A. | 2 |
1 |
Laurentian University of Sudbury | 13 |
1 |
Norsk Hydro ASA | 288 |
1 |
Rheinkalk GmbH | 30 |
1 |
Shandong University of Science and Technology | 459 |
1 |
TAKRAF GmbH | 63 |
1 |
Terra Nova Technologies, Inc. | 1 |
1 |
ThyssenKrupp Fördertechnik GmbH | 15 |
1 |
Opti-minez Pty Ltd | 7 |
1 |
Cosentino Research & Development, S.L. | 29 |
1 |
Sanmenxia Bomao Industrial Co., Ltd. | 2 |
1 |
China Energy Group Xinjiang Energy Company Ltd | 1 |
1 |
Xinjiang Tianchi Energy Co., Ltd. | 1 |
1 |
Autres propriétaires | 0 |