- Sections
- C - Chimiemétallurgie
- C09K - Substances pour des applications non prévues ailleursapplications de substances non prévues ailleurs
- C09K 8/532 - Soufre
Détention brevets de la classe C09K 8/532
Brevets de cette classe: 256
Historique des publications depuis 10 ans
|
26
|
34
|
22
|
18
|
25
|
16
|
12
|
32
|
18
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21309 |
35 |
| Saudi Arabian Oil Company | 14305 |
21 |
| King Fahd University of Petroleum and Minerals | 1587 |
11 |
| Ecolab USA Inc. | 5813 |
10 |
| Nissan Chemical America Corporation | 64 |
10 |
| Schlumberger Canada Limited | 7620 |
8 |
| Clariant International Ltd. | 892 |
8 |
| Baker Hughes Oilfield Operations, LLC | 2543 |
7 |
| Baker Hughes, a GE Company, LLC | 2051 |
7 |
| Cameron International Corporation | 1368 |
6 |
| TriStar Global Energy Solutions, Inc. | 29 |
6 |
| Championx USA Inc. | 174 |
6 |
| Dorf Ketal Energy Services LLC | 17 |
6 |
| Cr3 Zymeflow, Inc. | 29 |
6 |
| Zymeflow, Inc. | 45 |
6 |
| Aramco Services Company | 4192 |
5 |
| ExxonMobil Upstream Research Company | 2291 |
5 |
| Total SA | 477 |
5 |
| ExxonMobil Technology and Engineering Company | 1379 |
5 |
| Cameron Technologies Limited | 235 |
4 |
| Autres propriétaires | 79 |