- 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: 460
Historique des publications depuis 10 ans
|
24
|
27
|
31
|
44
|
59
|
50
|
54
|
47
|
32
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Shandong University of Science and Technology | 547 |
24 |
| Northeastern University | 579 |
19 |
| Saudi Arabian Oil Company | 14398 |
15 |
| Verderg Pipe Technology Limited | 16 |
14 |
| Halliburton Energy Services, Inc. | 21296 |
13 |
| Shenzhen University | 1738 |
9 |
| LG Energy Solution, Ltd. | 19725 |
9 |
| China University of Mining and Technology, Beijing | 105 |
8 |
| Zhejiang University | 3490 |
8 |
| Aramco Services Company | 4190 |
6 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 362 |
6 |
| Shandong University | 1164 |
6 |
| Anhui University of Science and Technology | 201 |
5 |
| Qingdao University of Technology | 645 |
5 |
| The Boeing Company | 20217 |
4 |
| China University of Mining and Technology | 1318 |
4 |
| China University of Petroleum (Beijing) | 307 |
4 |
| Sichuan University | 636 |
4 |
| State Farm Mutual Automobile Insurance Company | 3486 |
4 |
| True Crush Testing, LLC | 5 |
4 |
| Autres propriétaires | 289 |