- 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: 217
10-year publication summary
|
24
|
26
|
34
|
22
|
18
|
25
|
16
|
12
|
26
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20438 |
33 |
| Saudi Arabian Oil Company | 12446 |
20 |
| Ecolab USA Inc. | 5341 |
10 |
| Nissan Chemical America Corporation | 63 |
10 |
| Clariant International Ltd. | 954 |
9 |
| Baker Hughes, a GE Company, LLC | 2138 |
7 |
| Total SA | 504 |
6 |
| United Laboratories International, LLC | 70 |
6 |
| Championx USA Inc. | 191 |
6 |
| Dorf Ketal Energy Services LLC | 18 |
6 |
| Aramco Services Company | 3750 |
5 |
| ExxonMobil Upstream Research Company | 2454 |
5 |
| King Fahd University of Petroleum and Minerals | 1008 |
5 |
| Baker Hughes Oilfield Operations, LLC | 2128 |
5 |
| ExxonMobil Technology and Engineering Company | 922 |
5 |
| Schlumberger Canada Limited | 7154 |
4 |
| Baker Hughes Holdings LLC | 3009 |
4 |
| Cameron International Corporation | 1323 |
3 |
| Dorf Ketal Chemicals (India) Private Limited | 79 |
3 |
| Clariant S. A. | 6 |
3 |
| Other owners | 62 |