- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/536 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning characterised by their form or by the form of their components, e.g. encapsulated material
Patent holdings for IPC class C09K 8/536
Total number of patents in this class: 318
10-year publication summary
|
19
|
27
|
34
|
19
|
22
|
24
|
17
|
15
|
9
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20949 |
38 |
| Saudi Arabian Oil Company | 13295 |
32 |
| Baker Hughes Holdings LLC | 3003 |
16 |
| Schlumberger Canada Limited | 7350 |
12 |
| Schlumberger Technology B.v. | 5181 |
12 |
| Services Petroliers Schlumberger | 5817 |
12 |
| Championx LLC | 523 |
11 |
| Schlumberger Holdings Limited | 2813 |
9 |
| Prad Research and Development Limited | 2692 |
9 |
| Baker Hughes Incorporated | 5259 |
8 |
| Baker Hughes Oilfield Operations, LLC | 2308 |
7 |
| ExxonMobil Upstream Research Company | 2395 |
6 |
| Baker Hughes, a GE Company, LLC | 2110 |
6 |
| Championx USA Inc. | 180 |
6 |
| Schlumberger Technology Corporation | 10820 |
5 |
| M-I L.L.C. | 815 |
4 |
| Nissan Chemical America Corporation | 63 |
4 |
| Preferred Technology, LLC | 35 |
4 |
| Trican Well Service Ltd. | 78 |
4 |
| CURTIS, Philip, Anthony | 419 |
4 |
| Other owners | 109 |