- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 458
10-year publication summary
7
|
14
|
23
|
33
|
69
|
38
|
44
|
37
|
31
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 11322 |
131 |
Halliburton Energy Services, Inc. | 20165 |
80 |
Aramco Services Company | 3504 |
50 |
Schlumberger Technology Corporation | 9690 |
16 |
CURTIS, Philip, Anthony | 497 |
11 |
Schlumberger Canada Limited | 6913 |
9 |
Schlumberger Technology B.v. | 4951 |
9 |
Services Petroliers Schlumberger | 5426 |
9 |
Southwest Petroleum University | 403 |
8 |
Schlumberger Holdings Limited | 2947 |
7 |
Baker Hughes Incorporated | 5689 |
7 |
M-I L.L.C. | 893 |
6 |
Baker Hughes Holdings LLC | 3060 |
6 |
Prad Research and Development Limited | 2696 |
5 |
The Curators of the University of Missouri | 965 |
4 |
WAIN, Christopher, Paul | 88 |
4 |
Lyondellbasell Advanced Polymers Inc. | 105 |
4 |
China University of Geosciences, Beijing | 59 |
3 |
China University of Petroleum (East China) | 319 |
3 |
Wintershall Holding GmbH | 68 |
3 |
Other owners | 83 |