- Sections
- C - Chimiemétallurgie
- C09K - Substances pour des applications non prévues ailleursapplications de substances non prévues ailleurs
- C09K 8/518 - Mousses
Détention brevets de la classe C09K 8/518
Brevets de cette classe: 110
Historique des publications depuis 10 ans
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6
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8
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10
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11
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13
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3
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6
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8
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6
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2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21305 |
22 |
| Saudi Arabian Oil Company | 14275 |
18 |
| Aramco Services Company | 4194 |
6 |
| Schlumberger Canada Limited | 7609 |
4 |
| Schlumberger Technology B.v. | 5295 |
4 |
| Services Petroliers Schlumberger | 6028 |
4 |
| Schlumberger Holdings Limited | 2690 |
3 |
| Prad Research and Development Limited | 2655 |
3 |
| Terves, LLC | 53 |
3 |
| Schlumberger Technology Corporation | 11839 |
2 |
| Chevron U.S.A. Inc. | 4145 |
2 |
| China University of Petroleum (East China) | 420 |
2 |
| Edwards Lifesciences Corporation | 4883 |
2 |
| Instituto Mexicano Del Petroleo | 201 |
2 |
| Petroleo Brasileiro S.A. - Petrobras | 969 |
2 |
| Universidade Estadual Paulista Julio de Mesquita Filho - Unesp | 36 |
2 |
| Baker Hughes Oilfield Operations, LLC | 2534 |
2 |
| RheoVest, LLC | 13 |
2 |
| Covia Solutions LLC | 79 |
2 |
| 3m Innovative Properties Company | 17484 |
1 |
| Autres propriétaires | 22 |