- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 8/94 - Foams
Patent holdings for IPC class C09K 8/94
Total number of patents in this class: 132
10-year publication summary
9
|
12
|
11
|
18
|
19
|
16
|
15
|
10
|
7
|
1
|
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 |
28 |
Saudi Arabian Oil Company | 11322 |
14 |
Chevron U.S.A. Inc. | 3774 |
8 |
Aramco Services Company | 3504 |
8 |
Linde Aktiengesellschaft | 1600 |
8 |
Innospec Limited | 308 |
7 |
Baker Hughes Holdings LLC | 3060 |
4 |
Instituto Mexicano Del Petroleo | 213 |
3 |
Championx LLC | 311 |
3 |
Schlumberger Technology Corporation | 9690 |
2 |
Advansix Resins & Chemicals LLC | 278 |
2 |
China University of Petroleum (Beijing) | 258 |
2 |
Cytec Industries Inc. | 407 |
2 |
Flotek Chemistry, LLC | 120 |
2 |
Rhodia Operations | 1645 |
2 |
Self-suspending Proppant LLC | 21 |
2 |
The University of Queensland | 666 |
2 |
Baker Hughes Oilfield Operations, LLC | 1885 |
2 |
Baker Hughes, a GE Company, LLC | 2171 |
2 |
Nouryon Chemicals International B.V. | 508 |
2 |
Other owners | 27 |