- 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: 622
10-year publication summary
|
41
|
45
|
76
|
86
|
59
|
64
|
33
|
37
|
35
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20891 |
105 |
| Saudi Arabian Oil Company | 13155 |
94 |
| Schlumberger Technology Corporation | 10717 |
23 |
| Aramco Services Company | 3969 |
23 |
| Chevron U.S.A. Inc. | 3955 |
17 |
| ExxonMobil Technology and Engineering Company | 1080 |
17 |
| Baker Hughes Holdings LLC | 3007 |
16 |
| CURTIS, Philip, Anthony | 428 |
14 |
| Tetra Technologies, Inc. | 102 |
11 |
| Dorf Ketal Chemicals FZE | 197 |
11 |
| Nissan Chemical America Corporation | 63 |
10 |
| Baker Hughes, a GE Company, LLC | 2112 |
10 |
| Schlumberger Canada Limited | 7296 |
9 |
| Schlumberger Technology B.v. | 5168 |
9 |
| Baker Hughes Incorporated | 5247 |
9 |
| Services Petroliers Schlumberger | 5788 |
9 |
| Schlumberger Holdings Limited | 2828 |
8 |
| CARBO Ceramics Inc. | 236 |
7 |
| China National Petroleum Corporation | 447 |
7 |
| Prad Research and Development Limited | 2693 |
7 |
| Other owners | 206 |