- Sections
- C - Chimie; métallurgie
- C09K - Substances pour des applications non prévues ailleurs; applications de substances non prévues ailleurs
- C09K 8/504 - Compositions à base d'eau ou de solvants polaires
Détention brevets de la classe C09K 8/504
Brevets de cette classe: 458
Historique des publications depuis 10 ans
|
7
|
14
|
23
|
33
|
69
|
38
|
44
|
37
|
31
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
131 |
| Halliburton Energy Services, Inc. | 20165 |
80 |
| Aramco Services Company | 3504 |
50 |
| Schlumberger Technology Corporation | 9690 |
16 |
| CURTIS, Philip, Anthony | 497 |
11 |
| Schlumberger Canada Limited | 6913 |
9 |
| Schlumberger Technology B.v. | 4951 |
9 |
| Services Petroliers Schlumberger | 5426 |
9 |
| Southwest Petroleum University | 403 |
8 |
| Schlumberger Holdings Limited | 2947 |
7 |
| Baker Hughes Incorporated | 5689 |
7 |
| M-I L.L.C. | 893 |
6 |
| Baker Hughes Holdings LLC | 3060 |
6 |
| Prad Research and Development Limited | 2696 |
5 |
| The Curators of the University of Missouri | 965 |
4 |
| WAIN, Christopher, Paul | 88 |
4 |
| Lyondellbasell Advanced Polymers Inc. | 105 |
4 |
| China University of Geosciences, Beijing | 59 |
3 |
| China University of Petroleum (East China) | 319 |
3 |
| Wintershall Holding GmbH | 68 |
3 |
| Autres propriétaires | 83 |