- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 8/60 - Compositions for stimulating production by acting on the underground formation
Patent holdings for IPC class C09K 8/60
Total number of patents in this class: 1847
10-year publication summary
|
153
|
152
|
120
|
126
|
129
|
120
|
74
|
79
|
84
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20438 |
324 |
| Saudi Arabian Oil Company | 12446 |
95 |
| Schlumberger Canada Limited | 7154 |
70 |
| Schlumberger Technology B.v. | 5075 |
69 |
| Services Petroliers Schlumberger | 5633 |
69 |
| Schlumberger Technology Corporation | 10263 |
63 |
| Chevron U.S.A. Inc. | 3856 |
51 |
| Schlumberger Holdings Limited | 2867 |
47 |
| Baker Hughes Holdings LLC | 3009 |
47 |
| Flotek Chemistry, LLC | 118 |
45 |
| Prad Research and Development Limited | 2696 |
37 |
| Baker Hughes Incorporated | 5504 |
36 |
| ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 221 |
27 |
| CURTIS, Philip, Anthony | 496 |
25 |
| Aramco Services Company | 3750 |
23 |
| Dorf Ketal Chemicals FZE | 239 |
19 |
| BASF SE | 20432 |
17 |
| Akzo Nobel Chemicals International B.V. | 480 |
15 |
| Ecolab USA Inc. | 5341 |
15 |
| Championx LLC | 440 |
15 |
| Other owners | 738 |