- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/66 - Compositions based on water or polar solvents
Patent holdings for IPC class C09K 8/66
Total number of patents in this class: 613
10-year publication summary
|
41
|
45
|
76
|
86
|
59
|
64
|
33
|
37
|
35
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20449 |
105 |
| Saudi Arabian Oil Company | 12481 |
94 |
| Schlumberger Technology Corporation | 10284 |
22 |
| Aramco Services Company | 3763 |
22 |
| Baker Hughes Holdings LLC | 3008 |
18 |
| Chevron U.S.A. Inc. | 3858 |
17 |
| CURTIS, Philip, Anthony | 491 |
14 |
| Tetra Technologies, Inc. | 98 |
11 |
| Dorf Ketal Chemicals FZE | 239 |
11 |
| Baker Hughes Incorporated | 5500 |
10 |
| Nissan Chemical America Corporation | 63 |
10 |
| Baker Hughes, a GE Company, LLC | 2138 |
10 |
| Schlumberger Canada Limited | 7161 |
9 |
| Schlumberger Technology B.v. | 5080 |
9 |
| Services Petroliers Schlumberger | 5639 |
9 |
| ExxonMobil Technology and Engineering Company | 929 |
9 |
| Schlumberger Holdings Limited | 2866 |
8 |
| CARBO Ceramics Inc. | 245 |
7 |
| China National Petroleum Corporation | 328 |
7 |
| Prad Research and Development Limited | 2696 |
7 |
| Other owners | 204 |