- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/14 - Clay-containing compositions
Patent holdings for IPC class C09K 8/14
Total number of patents in this class: 153
10-year publication summary
|
10
|
8
|
12
|
22
|
14
|
13
|
9
|
9
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20879 |
38 |
| Saudi Arabian Oil Company | 13091 |
30 |
| King Fahd University of Petroleum and Minerals | 1179 |
7 |
| Aramco Services Company | 3955 |
6 |
| M-I L.L.C. | 812 |
6 |
| Southwest Petroleum University | 467 |
4 |
| Schlumberger Technology Corporation | 10705 |
3 |
| Baker Hughes Incorporated | 5252 |
2 |
| China National Petroleum Corporation | 447 |
2 |
| CNPC USA Corp. | 155 |
2 |
| Industry-Academic Cooperation Foundation Gyeongsang National University | 584 |
2 |
| Korea University Research and Business Foundation | 2975 |
2 |
| KWH Mirka Ltd | 19 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3461 |
2 |
| Beijing Huamei, Inc. | 104 |
2 |
| Kao Specialties Americas LLC | 4 |
2 |
| Schlumberger Canada Limited | 7293 |
1 |
| Schlumberger Technology B.v. | 5166 |
1 |
| Schlumberger Holdings Limited | 2831 |
1 |
| 3m Innovative Properties Company | 17849 |
1 |
| Other owners | 37 |