- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/504 - Compositions based on water or polar solvents
Patent holdings for IPC class C09K 8/504
Total number of patents in this class: 472
10-year publication summary
|
14
|
18
|
28
|
60
|
38
|
42
|
37
|
29
|
21
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13622 |
144 |
| Halliburton Energy Services, Inc. | 21021 |
75 |
| Aramco Services Company | 4090 |
57 |
| Schlumberger Technology Corporation | 11023 |
17 |
| Schlumberger Canada Limited | 7418 |
8 |
| Schlumberger Technology B.v. | 5217 |
8 |
| Services Petroliers Schlumberger | 5874 |
8 |
| Southwest Petroleum University | 485 |
8 |
| CURTIS, Philip, Anthony | 389 |
8 |
| Baker Hughes Incorporated | 5179 |
7 |
| Schlumberger Holdings Limited | 2791 |
6 |
| Baker Hughes Holdings LLC | 3005 |
6 |
| M-I L.L.C. | 806 |
5 |
| Prad Research and Development Limited | 2687 |
5 |
| Xgs Energy, Inc. | 23 |
5 |
| The Curators of the University of Missouri | 1061 |
4 |
| Lyondellbasell Advanced Polymers Inc. | 101 |
4 |
| Firehole Geothermal Solutions, LLC | 5 |
4 |
| China University of Geosciences, Beijing | 74 |
3 |
| China University of Petroleum (East China) | 389 |
3 |
| Other owners | 87 |