- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/035 - Organic additives
Patent holdings for IPC class C09K 8/035
Total number of patents in this class: 2094
10-year publication summary
|
243
|
231
|
184
|
126
|
144
|
92
|
83
|
73
|
78
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
446 |
| Saudi Arabian Oil Company | 14248 |
264 |
| Aramco Services Company | 4196 |
77 |
| Schlumberger Technology Corporation | 11820 |
58 |
| M-I L.L.C. | 743 |
37 |
| Schlumberger Canada Limited | 7601 |
34 |
| Schlumberger Technology B.v. | 5295 |
31 |
| Services Petroliers Schlumberger | 6023 |
31 |
| Baker Hughes Incorporated | 4927 |
26 |
| China Petroleum & Chemical Corporation | 2154 |
26 |
| BASF SE | 21308 |
23 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 186 |
23 |
| Baker Hughes, a GE Company, LLC | 2054 |
20 |
| Baker Hughes Holdings LLC | 3021 |
20 |
| Championx LLC | 641 |
20 |
| Baker Hughes Oilfield Operations, LLC | 2532 |
19 |
| Rhodia Operations | 1491 |
18 |
| Schlumberger Holdings Limited | 2694 |
15 |
| China University of Petroleum (Beijing) | 303 |
15 |
| Lamberti SpA | 258 |
15 |
| Other owners | 876 |