- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 8/24 - Polymers
Patent holdings for IPC class C09K 8/24
Total number of patents in this class: 360
10-year publication summary
|
18
|
35
|
36
|
36
|
22
|
17
|
13
|
20
|
17
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
56 |
| Saudi Arabian Oil Company | 14248 |
56 |
| China University of Petroleum (East China) | 418 |
16 |
| Southwest Petroleum University | 521 |
15 |
| Schlumberger Technology Corporation | 11820 |
12 |
| China National Petroleum Corporation | 637 |
11 |
| CNPC Engineering Technology R&D Company Limited | 126 |
11 |
| Schlumberger Canada Limited | 7601 |
7 |
| CNPC USA Corp. | 181 |
7 |
| Schlumberger Technology B.v. | 5295 |
6 |
| China Petroleum & Chemical Corporation | 2154 |
6 |
| China University of Petroleum (Beijing) | 303 |
6 |
| ISP Investments Inc. | 440 |
6 |
| Services Petroliers Schlumberger | 6023 |
6 |
| Aramco Services Company | 4196 |
5 |
| King Fahd University of Petroleum and Minerals | 1576 |
5 |
| Hercules LLC | 228 |
4 |
| The Lubrizol Corporation | 1252 |
4 |
| M-I L.L.C. | 743 |
4 |
| Sun Drilling Products Corporation | 47 |
4 |
| Other owners | 113 |