- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 8/524 - Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
Patent holdings for IPC class C09K 8/524
Total number of patents in this class: 893
10-year publication summary
|
88
|
96
|
89
|
80
|
81
|
85
|
61
|
60
|
30
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20411 |
79 |
| Saudi Arabian Oil Company | 12404 |
39 |
| Ecolab USA Inc. | 5336 |
35 |
| M-I L.L.C. | 856 |
34 |
| Championx USA Inc. | 191 |
34 |
| Championx LLC | 441 |
32 |
| Baker Hughes Holdings LLC | 3011 |
28 |
| BASF SE | 20387 |
20 |
| Baker Hughes Incorporated | 5511 |
18 |
| Schlumberger Canada Limited | 7143 |
16 |
| Clariant International Ltd. | 955 |
16 |
| Baker Hughes Oilfield Operations, LLC | 2111 |
14 |
| Schlumberger Technology Corporation | 10228 |
13 |
| Baker Hughes, a GE Company, LLC | 2138 |
12 |
| Locus Solutions IPCo, LLC | 260 |
12 |
| Aramco Services Company | 3740 |
11 |
| Cameron International Corporation | 1322 |
10 |
| Schlumberger Holdings Limited | 2869 |
9 |
| Chevron U.S.A. Inc. | 3847 |
9 |
| Prad Research and Development Limited | 2696 |
9 |
| Other owners | 443 |