- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/28 - Preparation by reduction with reducing gases
Patent holdings for IPC class C01B 17/28
Total number of patents in this class: 22
10-year publication summary
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0
|
4
|
0
|
0
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0
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1
|
7
|
2
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsui Mining & Smelting Co., Ltd. | 1354 |
6 |
| Agc, Inc. | 5430 |
4 |
| MAKScientific, LLC | 17 |
2 |
| Solivis Inc. | 17 |
2 |
| The Regents of the University of California | 20633 |
1 |
| Toyota Motor Corporation | 35310 |
1 |
| ExxonMobil Research And Engineering Company | 2447 |
1 |
| Kellogg Brown & Root LLC | 527 |
1 |
| Albemarle Germany GmbH | 81 |
1 |
| China National Coal Group Corp. | 3 |
1 |
| Jiangxi Ganfeng Lithium Industry Co., Ltd. | 4 |
1 |
| Mitsui Kinzoku Company, Limited | 174 |
1 |
| Other owners | 0 |