- 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: 446
Historique des publications depuis 10 ans
|
24
|
27
|
31
|
44
|
59
|
50
|
54
|
46
|
32
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Shandong University of Science and Technology | 539 |
23 |
| Northeastern University | 564 |
18 |
| Saudi Arabian Oil Company | 13948 |
15 |
| Verderg Pipe Technology Limited | 17 |
15 |
| Halliburton Energy Services, Inc. | 21230 |
13 |
| Shenzhen University | 1709 |
9 |
| China University of Mining and Technology, Beijing | 103 |
8 |
| Zhejiang University | 3367 |
8 |
| LG Energy Solution, Ltd. | 17738 |
8 |
| Aramco Services Company | 4162 |
6 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 346 |
6 |
| Shandong University | 1128 |
6 |
| Anhui University of Science and Technology | 195 |
5 |
| Qingdao University of Technology | 628 |
5 |
| The Boeing Company | 20094 |
4 |
| China University of Mining and Technology | 1292 |
4 |
| Sichuan University | 614 |
4 |
| State Farm Mutual Automobile Insurance Company | 3346 |
4 |
| True Crush Testing, LLC | 5 |
4 |
| Schlumberger Technology Corporation | 11522 |
3 |
| Autres propriétaires | 278 |