- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 323
10-year publication summary
|
56
|
31
|
32
|
31
|
27
|
36
|
21
|
27
|
17
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10147 |
27 |
| Saudi Arabian Oil Company | 11322 |
25 |
| ConocoPhillips Company | 1657 |
21 |
| ExxonMobil Upstream Research Company | 2525 |
11 |
| Cenovus Energy Inc. | 321 |
10 |
| Imperial Oil Resources Limited | 182 |
10 |
| Innospec Limited | 308 |
10 |
| Halliburton Energy Services, Inc. | 20165 |
9 |
| Lignosol IP Limited | 21 |
8 |
| Aramco Services Company | 3504 |
7 |
| Wintershall Holding GmbH | 68 |
7 |
| XDI Holdings, LLC | 68 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
6 |
| Shell Oil Company | 2196 |
6 |
| Chevron U.S.A. Inc. | 3774 |
6 |
| Board of Regents, The University of Texas System | 5370 |
6 |
| 1304338 Alberta Ltd. | 87 |
6 |
| 1304342 Alberta Ltd. | 85 |
6 |
| BP Corporation North America Inc. | 776 |
5 |
| SunCor Energy Inc. | 838 |
5 |
| Other owners | 125 |