- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/82 - Oil-based compositions
Patent holdings for IPC class C09K 8/82
Total number of patents in this class: 216
10-year publication summary
|
29
|
35
|
21
|
22
|
23
|
13
|
9
|
7
|
10
|
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. | 20769 |
53 |
| Saudi Arabian Oil Company | 12891 |
18 |
| Schlumberger Technology Corporation | 10641 |
12 |
| Lamberti SpA | 255 |
10 |
| Aramco Services Company | 3921 |
9 |
| Linde Aktiengesellschaft | 1518 |
8 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 181 |
6 |
| M-I L.L.C. | 815 |
5 |
| Biospan Technologies, Inc. | 20 |
4 |
| Flotek Chemistry, LLC | 116 |
4 |
| Independence Oilfield Chemicals, LLC | 39 |
4 |
| RTI International | 20 |
4 |
| Baker Hughes, a GE Company, LLC | 2114 |
4 |
| Aculon, Inc. | 70 |
3 |
| Baker Hughes Incorporated | 5281 |
2 |
| Arkema France | 4015 |
2 |
| Cabot Specialty Fluids, Inc. | 5 |
2 |
| CESI Chemical, Inc. | 12 |
2 |
| ConocoPhillips Company | 1676 |
2 |
| Elkem AS | 61 |
2 |
| Other owners | 60 |