- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/06 - Clay-free compositions
Patent holdings for IPC class C09K 8/06
Total number of patents in this class: 158
10-year publication summary
|
16
|
12
|
11
|
16
|
15
|
14
|
6
|
9
|
7
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21090 |
32 |
| Saudi Arabian Oil Company | 13686 |
23 |
| Dorf Ketal Chemicals FZE | 200 |
19 |
| Tetra Technologies, Inc. | 104 |
7 |
| Baker Hughes Holdings LLC | 3002 |
7 |
| M-I L.L.C. | 806 |
5 |
| Schlumberger Canada Limited | 7440 |
4 |
| Schlumberger Technology B.v. | 5224 |
4 |
| Services Petroliers Schlumberger | 5885 |
4 |
| Schlumberger Technology Corporation | 11075 |
3 |
| CURTIS, Philip, Anthony | 384 |
3 |
| Schlumberger Holdings Limited | 2784 |
2 |
| Chevron Phillips Chemical Company LP | 1855 |
2 |
| King Fahd University of Petroleum and Minerals | 1379 |
2 |
| Lamberti SpA | 254 |
2 |
| Prad Research and Development Limited | 2687 |
2 |
| Radixkhem, LLC | 2 |
2 |
| M J Research & Development, LP | 3 |
2 |
| Baker Hughes Incorporated | 5172 |
1 |
| 3m Innovative Properties Company | 17719 |
1 |
| Other owners | 31 |