- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 8/70 - Compositions for forming crevices or fractures characterised by their form or by the form of their components, e.g. foams
Patent holdings for IPC class C09K 8/70
Total number of patents in this class: 826
10-year publication summary
46
|
87
|
75
|
95
|
72
|
73
|
65
|
36
|
35
|
8
|
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 |
114 |
Saudi Arabian Oil Company | 11322 |
86 |
Schlumberger Technology Corporation | 9690 |
48 |
Schlumberger Canada Limited | 6913 |
37 |
Schlumberger Technology B.v. | 4951 |
36 |
Services Petroliers Schlumberger | 5426 |
36 |
Aramco Services Company | 3504 |
29 |
Schlumberger Holdings Limited | 2947 |
27 |
Baker Hughes Holdings LLC | 3060 |
26 |
Prad Research and Development Limited | 2696 |
20 |
Baker Hughes Incorporated | 5689 |
14 |
CURTIS, Philip, Anthony | 497 |
14 |
BASF SE | 19740 |
10 |
Innospec Limited | 308 |
10 |
Chevron U.S.A. Inc. | 3774 |
8 |
Flotek Chemistry, LLC | 120 |
8 |
Powdermet, Inc. | 45 |
8 |
CARBO Ceramics Inc. | 248 |
7 |
Baker Hughes, a GE Company, LLC | 2171 |
7 |
Chevron Oronite Company LLC | 551 |
6 |
Other owners | 275 |