- Sections
- E - Constructions fixes
- E21D - Puitstunnelsgaleriesvastes chambres souterraines
- E21D 9/06 - Exécution en utilisant un bouclier de percement
Détention brevets de la classe E21D 9/06
Brevets de cette classe: 239
Historique des publications depuis 10 ans
|
12
|
14
|
5
|
15
|
16
|
17
|
18
|
22
|
23
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Herrenknecht AG | 215 |
23 |
| China Railway Engineering Equipment Group Co., Ltd. | 54 |
14 |
| China Railway 14th Bureau Group Co., Ltd. | 14 |
9 |
| Komatsu Ltd. | 4786 |
6 |
| China Railway Tunnel Group Co., Ltd | 24 |
5 |
| MAPEI S.p.A. | 573 |
4 |
| Zhejiang University | 3478 |
4 |
| China Railway Construction Heavy Industry Co., Ltd | 25 |
4 |
| China Railway Siyuan Survey and Design Group Co., Ltd. | 69 |
4 |
| State Key Laboratory of Shield Machine and Boring Technology | 16 |
4 |
| hyperTunnel IP Limited | 25 |
4 |
| CCCC National Engineering Research Center of Dredging Technology and Equipment Co., Ltd. | 32 |
4 |
| China Railway Sunward Engineering Equipment Co., Ltd | 8 |
4 |
| Bouygues Travaux Publics | 29 |
3 |
| The Robbins Company | 9 |
3 |
| Shandong University | 1160 |
3 |
| China Railway Construction Heavy Industry Corporation Limited | 26 |
3 |
| China University of Mining and Technology | 1316 |
2 |
| Geopier Foundation Company, Inc. | 143 |
2 |
| Kabuki Construction Co., Ltd. | 3 |
2 |
| Autres propriétaires | 132 |