- Sections
- G - Physique
- G01N - Recherche ou analyse des matériaux par détermination de leurs propriétés chimiques ou physiques
- G01N 3/12 - Test de pression
Détention brevets de la classe G01N 3/12
Brevets de cette classe: 429
Historique des publications depuis 10 ans
|
13
|
24
|
27
|
31
|
44
|
59
|
49
|
55
|
45
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Shandong University of Science and Technology | 524 |
23 |
| Northeastern University | 539 |
16 |
| Verderg Pipe Technology Limited | 17 |
15 |
| Saudi Arabian Oil Company | 13185 |
14 |
| Halliburton Energy Services, Inc. | 20901 |
13 |
| Shenzhen University | 1643 |
9 |
| China University of Mining and Technology, Beijing | 93 |
8 |
| LG Energy Solution, Ltd. | 15055 |
8 |
| Zhejiang University | 3154 |
7 |
| Aramco Services Company | 3976 |
6 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 326 |
6 |
| Shandong University | 1042 |
6 |
| Anhui University of Science and Technology | 187 |
5 |
| Qingdao University of Technology | 613 |
5 |
| China University of Mining and Technology | 1255 |
4 |
| Sichuan University | 568 |
4 |
| State Farm Mutual Automobile Insurance Company | 3122 |
4 |
| True Crush Testing, LLC | 5 |
4 |
| Schlumberger Technology Corporation | 10727 |
3 |
| Toyota Motor Corporation | 32231 |
3 |
| Autres propriétaires | 266 |