- 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: 887
10-year publication summary
|
67
|
88
|
96
|
89
|
80
|
80
|
83
|
61
|
59
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
80 |
| Championx USA Inc. | 250 |
47 |
| Saudi Arabian Oil Company | 11322 |
39 |
| Ecolab USA Inc. | 5190 |
34 |
| M-I L.L.C. | 893 |
34 |
| Baker Hughes Holdings LLC | 3060 |
28 |
| BASF SE | 19740 |
19 |
| Clariant International Ltd. | 978 |
19 |
| Baker Hughes Incorporated | 5689 |
18 |
| Schlumberger Canada Limited | 6913 |
16 |
| Championx LLC | 311 |
16 |
| Schlumberger Technology Corporation | 9690 |
13 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
13 |
| Baker Hughes, a GE Company, LLC | 2171 |
13 |
| Locus Solutions IPCo, LLC | 233 |
12 |
| Aramco Services Company | 3504 |
11 |
| Schlumberger Holdings Limited | 2947 |
9 |
| Chevron U.S.A. Inc. | 3774 |
9 |
| Prad Research and Development Limited | 2696 |
9 |
| Services Petroliers Schlumberger | 5426 |
9 |
| Other owners | 439 |