- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/532 - Sulfur
Patent holdings for IPC class C09K 8/532
Total number of patents in this class: 258
10-year publication summary
|
26
|
34
|
22
|
18
|
25
|
16
|
12
|
32
|
18
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21338 |
38 |
| Saudi Arabian Oil Company | 14235 |
20 |
| King Fahd University of Petroleum and Minerals | 1572 |
11 |
| Ecolab USA Inc. | 5796 |
10 |
| Nissan Chemical America Corporation | 64 |
10 |
| Schlumberger Canada Limited | 7606 |
8 |
| Clariant International Ltd. | 893 |
8 |
| Baker Hughes Oilfield Operations, LLC | 2527 |
7 |
| Baker Hughes, a GE Company, LLC | 2056 |
7 |
| Cameron International Corporation | 1370 |
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 | 4195 |
5 |
| ExxonMobil Upstream Research Company | 2305 |
5 |
| Total SA | 477 |
5 |
| ExxonMobil Technology and Engineering Company | 1356 |
5 |
| Cameron Technologies Limited | 230 |
4 |
| Other owners | 79 |