- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications 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: 144
10-year publication summary
|
11
|
17
|
17
|
12
|
14
|
9
|
7
|
8
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21124 |
28 |
| Saudi Arabian Oil Company | 13720 |
16 |
| Chevron U.S.A. Inc. | 4015 |
10 |
| Aramco Services Company | 4129 |
9 |
| Linde Aktiengesellschaft | 1474 |
8 |
| Innospec Limited | 374 |
7 |
| Championx LLC | 563 |
5 |
| Instituto Mexicano Del Petroleo | 222 |
3 |
| Baker Hughes Oilfield Operations, LLC | 2406 |
3 |
| Baker Hughes Holdings LLC | 2996 |
3 |
| Schlumberger Technology Corporation | 11166 |
2 |
| Advansix Resins & Chemicals LLC | 304 |
2 |
| China University of Petroleum (Beijing) | 293 |
2 |
| Flotek Chemistry, LLC | 116 |
2 |
| Rhodia Operations | 1552 |
2 |
| Swellfix UK Limited | 58 |
2 |
| The University of Queensland | 665 |
2 |
| Baker Hughes, a GE Company, LLC | 2101 |
2 |
| Nouryon Chemicals International B.V. | 618 |
2 |
| Championx USA Inc. | 177 |
2 |
| Other owners | 32 |