- 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: 625
10-year publication summary
|
40
|
42
|
70
|
79
|
55
|
63
|
31
|
34
|
35
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20949 |
104 |
| Saudi Arabian Oil Company | 13295 |
94 |
| Schlumberger Technology Corporation | 10820 |
23 |
| Aramco Services Company | 4002 |
23 |
| Chevron U.S.A. Inc. | 3972 |
17 |
| ExxonMobil Technology and Engineering Company | 1097 |
17 |
| Baker Hughes Holdings LLC | 3003 |
16 |
| CURTIS, Philip, Anthony | 419 |
13 |
| Tetra Technologies, Inc. | 101 |
11 |
| Dorf Ketal Chemicals FZE | 197 |
11 |
| Nissan Chemical America Corporation | 63 |
10 |
| Baker Hughes, a GE Company, LLC | 2110 |
10 |
| Schlumberger Canada Limited | 7350 |
9 |
| Schlumberger Technology B.v. | 5181 |
9 |
| Baker Hughes Incorporated | 5259 |
9 |
| Services Petroliers Schlumberger | 5817 |
9 |
| Schlumberger Holdings Limited | 2813 |
8 |
| CARBO Ceramics Inc. | 236 |
7 |
| China National Petroleum Corporation | 452 |
7 |
| Prad Research and Development Limited | 2692 |
7 |
| Other owners | 211 |