- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications 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: 1845
10-year publication summary
143
|
137
|
107
|
108
|
116
|
115
|
71
|
76
|
83
|
41
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20977 |
315 |
Saudi Arabian Oil Company | 13428 |
95 |
Schlumberger Canada Limited | 7373 |
66 |
Schlumberger Technology B.v. | 5189 |
66 |
Services Petroliers Schlumberger | 5835 |
66 |
Schlumberger Technology Corporation | 10914 |
64 |
Chevron U.S.A. Inc. | 4004 |
51 |
Baker Hughes Holdings LLC | 2999 |
46 |
Flotek Chemistry, LLC | 116 |
45 |
Schlumberger Holdings Limited | 2800 |
43 |
Prad Research and Development Limited | 2690 |
37 |
Baker Hughes Incorporated | 5243 |
34 |
ENERGY SOLUTIONS (US) LLC, a Delaware limited liability company | 185 |
27 |
Aramco Services Company | 4039 |
23 |
Dorf Ketal Chemicals FZE | 199 |
21 |
CURTIS, Philip, Anthony | 405 |
20 |
Championx LLC | 532 |
18 |
BASF SE | 21039 |
17 |
Akzo Nobel Chemicals International B.V. | 435 |
15 |
Ecolab USA Inc. | 5538 |
15 |
Other owners | 761 |