- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 8/518 - Foams
Patent holdings for IPC class C09K 8/518
Total number of patents in this class: 104
10-year publication summary
5
|
4
|
6
|
8
|
10
|
11
|
13
|
3
|
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 |
22 |
Saudi Arabian Oil Company | 11322 |
14 |
Aramco Services Company | 3504 |
6 |
Schlumberger Canada Limited | 6913 |
5 |
Schlumberger Technology B.v. | 4951 |
5 |
Services Petroliers Schlumberger | 5426 |
5 |
Schlumberger Technology Corporation | 9690 |
4 |
Schlumberger Holdings Limited | 2947 |
4 |
Edwards Lifesciences Corporation | 4141 |
3 |
Prad Research and Development Limited | 2696 |
3 |
Terves, LLC | 52 |
3 |
Instituto Mexicano Del Petroleo | 213 |
2 |
3m Innovative Properties Company | 18406 |
1 |
BASF SE | 19740 |
1 |
Chevron U.S.A. Inc. | 3774 |
1 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
Areva NC | 135 |
1 |
Aubin Limited | 8 |
1 |
China University of Petroleum (Beijing) | 258 |
1 |
China University of Petroleum (East China) | 319 |
1 |
Other owners | 20 |