- 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: 470
10-year publication summary
|
14
|
23
|
33
|
69
|
38
|
44
|
37
|
32
|
21
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 12891 |
138 |
| Halliburton Energy Services, Inc. | 20769 |
78 |
| Aramco Services Company | 3921 |
54 |
| Schlumberger Technology Corporation | 10641 |
16 |
| CURTIS, Philip, Anthony | 437 |
11 |
| Schlumberger Canada Limited | 7244 |
9 |
| Schlumberger Technology B.v. | 5154 |
9 |
| Services Petroliers Schlumberger | 5763 |
9 |
| Southwest Petroleum University | 461 |
8 |
| Schlumberger Holdings Limited | 2840 |
7 |
| Baker Hughes Incorporated | 5281 |
7 |
| M-I L.L.C. | 815 |
6 |
| Baker Hughes Holdings LLC | 3006 |
6 |
| Prad Research and Development Limited | 2693 |
5 |
| The Curators of the University of Missouri | 1035 |
4 |
| Lyondellbasell Advanced Polymers Inc. | 102 |
4 |
| Firehole Geothermal Solutions, LLC | 4 |
4 |
| China University of Geosciences, Beijing | 73 |
3 |
| China University of Petroleum (East China) | 369 |
3 |
| Wintershall Holding GmbH | 67 |
3 |
| Other owners | 86 |