- 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: 2058
10-year publication summary
|
217
|
221
|
194
|
161
|
113
|
131
|
82
|
70
|
63
|
62
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21021 |
443 |
| Saudi Arabian Oil Company | 13622 |
260 |
| Aramco Services Company | 4090 |
77 |
| Schlumberger Technology Corporation | 11023 |
55 |
| M-I L.L.C. | 806 |
40 |
| Schlumberger Canada Limited | 7418 |
31 |
| Schlumberger Technology B.v. | 5217 |
28 |
| Services Petroliers Schlumberger | 5874 |
28 |
| Baker Hughes Incorporated | 5179 |
27 |
| China Petroleum & Chemical Corporation | 1942 |
24 |
| BASF SE | 21072 |
23 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 184 |
23 |
| Baker Hughes, a GE Company, LLC | 2107 |
20 |
| Baker Hughes Holdings LLC | 3005 |
20 |
| Rhodia Operations | 1578 |
18 |
| Baker Hughes Oilfield Operations, LLC | 2380 |
18 |
| Schlumberger Holdings Limited | 2791 |
15 |
| China University of Petroleum (Beijing) | 291 |
15 |
| Lamberti SpA | 254 |
15 |
| Championx LLC | 547 |
15 |
| Other owners | 863 |