- All sections
- C - Chemistrymetallurgy
- C10C - Working-up tar, pitch, asphalt, bitumenpyroligneous acid
- C10C 3/02 - Working-up pitch, asphalt, bitumen by chemical means
Patent holdings for IPC class C10C 3/02
Total number of patents in this class: 163
10-year publication summary
|
5
|
7
|
6
|
7
|
5
|
12
|
13
|
11
|
6
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Technology and Engineering Company | 1115 |
12 |
| Baker Hughes Incorporated | 5243 |
9 |
| ExxonMobil Research And Engineering Company | 2562 |
5 |
| Ecolab USA Inc. | 5538 |
4 |
| Saudi Arabian Oil Company | 13428 |
4 |
| SunCor Energy Inc. | 745 |
4 |
| Baker Hughes Holdings LLC | 2999 |
4 |
| ACP Technologies, LLC | 7 |
4 |
| Cargill, Incorporated | 2923 |
3 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
3 |
| Mard, Inc. | 59 |
3 |
| Resonac Corporation | 2917 |
3 |
| Showa Denko K.K. | 2194 |
2 |
| Idemitsu Kosan Co., Ltd. | 4239 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2678 |
2 |
| Extrakt Process Solutions LLC | 36 |
2 |
| GreenMantra Recycling Technologies Ltd. | 69 |
2 |
| Imperial Oil Resources Limited | 171 |
2 |
| Kellogg Brown & Root LLC | 514 |
2 |
| King Abdullah University of Science and Technology | 1805 |
2 |
| Other owners | 89 |