- Sections
- E - Constructions fixes
- E21C - Exploitation des mines ou carrières
- E21C 35/04 - Dispositifs de sécurité
Détention brevets de la classe E21C 35/04
Brevets de cette classe: 41
Historique des publications depuis 10 ans
|
5
|
1
|
3
|
0
|
5
|
2
|
5
|
5
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Joy Global Surface Mining Inc | 364 |
6 |
| Joy Global Underground Mining LLC | 348 |
6 |
| Sandvik Mining and Construction Oy | 823 |
3 |
| Caterpillar Inc. | 9539 |
2 |
| China University of Mining and Technology | 1251 |
2 |
| Sandvik Intellectual Property AB | 1484 |
2 |
| Limited Liability Company "corum Group" | 16 |
2 |
| Caterpillar Global Mining Europe GmbH | 85 |
1 |
| Anhui University of Science and Technology | 186 |
1 |
| Caterpillar Global Mining Equipment LLC | 159 |
1 |
| J.H. Fletcher & Co. | 79 |
1 |
| Modular Mining Systems, Inc. | 89 |
1 |
| Motion Metrics International Corp | 70 |
1 |
| RAG Aktiengesellschaft | 33 |
1 |
| Shandong University of Science and Technology | 522 |
1 |
| Tensar Corporation | 8 |
1 |
| West Virginia University | 181 |
1 |
| Arvus Tecnologia Ltda. | 3 |
1 |
| Sany Heavy Equipment Co., Ltd. | 77 |
1 |
| Sandvik SRP AB | 103 |
1 |
| Autres propriétaires | 5 |