- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/592 - Compositions used in combination with generated heat, e.g. by steam injection
Patent holdings for IPC class C09K 8/592
Total number of patents in this class: 339
10-year publication summary
|
32
|
31
|
27
|
36
|
21
|
27
|
21
|
15
|
16
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14235 |
28 |
| Dow Global Technologies LLC | 10944 |
27 |
| ConocoPhillips Company | 1709 |
21 |
| Cenovus Energy Inc. | 423 |
12 |
| Innospec Limited | 408 |
11 |
| Halliburton Energy Services, Inc. | 21338 |
10 |
| Imperial Oil Resources Limited | 165 |
10 |
| Aramco Services Company | 4195 |
9 |
| ExxonMobil Upstream Research Company | 2305 |
9 |
| Lignosol IP Limited | 32 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
6 |
| Shell Oil Company | 2071 |
6 |
| Board of Regents, The University of Texas System | 6107 |
6 |
| 1304338 Alberta Ltd. | 90 |
6 |
| 1304342 Alberta Ltd. | 89 |
6 |
| Wintershall Holding GmbH | 67 |
6 |
| 9668241 Canada Inc. | 12 |
6 |
| Heat IP Holdco, LLC | 49 |
6 |
| Chevron U.S.A. Inc. | 4140 |
5 |
| BP Corporation North America Inc. | 742 |
5 |
| Other owners | 135 |