- 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: 471
10-year publication summary
|
14
|
18
|
28
|
60
|
38
|
42
|
37
|
29
|
21
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13316 |
143 |
| Halliburton Energy Services, Inc. | 20937 |
75 |
| Aramco Services Company | 4007 |
57 |
| Schlumberger Technology Corporation | 10848 |
17 |
| Schlumberger Canada Limited | 7357 |
8 |
| Schlumberger Technology B.v. | 5184 |
8 |
| Services Petroliers Schlumberger | 5823 |
8 |
| Southwest Petroleum University | 475 |
8 |
| CURTIS, Philip, Anthony | 414 |
8 |
| Baker Hughes Incorporated | 5254 |
7 |
| Schlumberger Holdings Limited | 2808 |
6 |
| Baker Hughes Holdings LLC | 3003 |
6 |
| M-I L.L.C. | 817 |
5 |
| Prad Research and Development Limited | 2692 |
5 |
| Xgs Energy, Inc. | 23 |
5 |
| The Curators of the University of Missouri | 1051 |
4 |
| Lyondellbasell Advanced Polymers Inc. | 102 |
4 |
| Firehole Geothermal Solutions, LLC | 5 |
4 |
| China University of Geosciences, Beijing | 74 |
3 |
| China University of Petroleum (East China) | 380 |
3 |
| Other owners | 87 |