- 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: 324
10-year publication summary
|
32
|
34
|
21
|
25
|
27
|
18
|
16
|
10
|
16
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21309 |
39 |
| Saudi Arabian Oil Company | 14305 |
36 |
| Baker Hughes Holdings LLC | 3020 |
14 |
| Championx LLC | 649 |
13 |
| Schlumberger Canada Limited | 7620 |
12 |
| Schlumberger Technology B.v. | 5299 |
12 |
| Services Petroliers Schlumberger | 6033 |
12 |
| Schlumberger Holdings Limited | 2684 |
9 |
| Prad Research and Development Limited | 2652 |
9 |
| Baker Hughes Incorporated | 4905 |
8 |
| Baker Hughes Oilfield Operations, LLC | 2543 |
7 |
| ExxonMobil Upstream Research Company | 2291 |
6 |
| Baker Hughes, a GE Company, LLC | 2051 |
6 |
| Championx USA Inc. | 174 |
6 |
| Schlumberger Technology Corporation | 11879 |
5 |
| M-I L.L.C. | 738 |
4 |
| Nissan Chemical America Corporation | 64 |
4 |
| Preferred Technology, LLC | 35 |
4 |
| Trican Well Service Ltd. | 72 |
4 |
| Uniquem Inc. | 23 |
4 |
| Other owners | 110 |