- Sections
- E - Constructions fixes
- E21F - Dispositifs de sécurité, transport, remblayage, sauvetage, ventilation ou drainage dans les mines ou tunnels
- E21F 13/00 - Transport spécialement adapté aux conditions du fond
Détention brevets de la classe E21F 13/00
Brevets de cette classe: 196
Historique des publications depuis 10 ans
|
16
|
5
|
12
|
16
|
18
|
13
|
17
|
8
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Sandvik Mining and Construction Oy | 886 |
27 |
| Komatsu Ltd. | 4703 |
15 |
| China University of Mining and Technology | 1308 |
12 |
| Joy Global Underground Mining LLC | 344 |
9 |
| Epiroc Rock Drills Aktiebolag | 656 |
9 |
| ABB Schweiz AG | 7590 |
6 |
| Anhui University of Science and Technology | 197 |
5 |
| Technological Resources Pty. Limited | 443 |
5 |
| Caterpillar Inc. | 10272 |
4 |
| Conveyor Manufacturers Australia Pty Ltd | 7 |
4 |
| Russell Mineral Equipment Pty Ltd | 75 |
3 |
| Sandvik Mining and Construction G.m.b.H. | 94 |
3 |
| The University of Tokyo | 4352 |
3 |
| Underground Extraction Technologies Pty Ltd | 17 |
3 |
| Xuzhou Kerui Mining Technology Co., Ltd. | 11 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1654 |
2 |
| Hazemag & EPR GmbH | 26 |
2 |
| Macdonald, Dettwiler and Associates Inc. | 176 |
2 |
| Modular Mining Systems, Inc. | 92 |
2 |
| Nordic Minesteel Technologies Inc. | 39 |
2 |
| Autres propriétaires | 75 |