- 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: 433
Historique des publications depuis 10 ans
|
13
|
23
|
23
|
31
|
39
|
57
|
46
|
54
|
45
|
21
|
| 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 | 541 |
17 |
| Saudi Arabian Oil Company | 13295 |
15 |
| Verderg Pipe Technology Limited | 17 |
15 |
| Halliburton Energy Services, Inc. | 20949 |
13 |
| Shenzhen University | 1647 |
9 |
| China University of Mining and Technology, Beijing | 93 |
8 |
| LG Energy Solution, Ltd. | 15204 |
8 |
| Zhejiang University | 3170 |
7 |
| Aramco Services Company | 4002 |
6 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 326 |
6 |
| Shandong University | 1050 |
6 |
| Anhui University of Science and Technology | 189 |
5 |
| Qingdao University of Technology | 615 |
5 |
| China University of Mining and Technology | 1259 |
4 |
| Sichuan University | 570 |
4 |
| State Farm Mutual Automobile Insurance Company | 3131 |
4 |
| True Crush Testing, LLC | 5 |
4 |
| Schlumberger Technology Corporation | 10820 |
3 |
| Toyota Motor Corporation | 32599 |
3 |
| Autres propriétaires | 268 |