- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 21/02 - Obtaining aluminium with reducing
Patent holdings for IPC class C22B 21/02
Total number of patents in this class: 43
10-year publication summary
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5
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0
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4
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1
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0
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4
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5
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1
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3
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alcoa Inc. | 292 |
6 |
| Elkem AS | 61 |
5 |
| Red Mud Enterprises LLC | 5 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1654 |
2 |
| Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 133 |
2 |
| Coogee Titanium Pty Ltd | 12 |
2 |
| Honda Motor Co., Ltd. | 25192 |
1 |
| GM Global Technology Operations LLC | 15000 |
1 |
| Alcoa USA Corp. | 198 |
1 |
| Auckland UniServices Limited | 496 |
1 |
| The Commonwealth of Australia Commonwealth Scientific and Industrial Research Organization | 2 |
1 |
| Gmr, LLC | 2 |
1 |
| Japan Metals & Chemicals Co., Ltd. | 5 |
1 |
| Kobelco Research Institute, Inc. | 124 |
1 |
| Lanzhou Jinfule Biotechnology Co., Ltd. | 18 |
1 |
| Orbite Aluminae Inc. | 14 |
1 |
| The Regents of the University of Colorado, a body corporate | 2638 |
1 |
| SK Innovation Co., Ltd. | 1336 |
1 |
| Spring Power Limited | 10 |
1 |
| Thermical IP Pty Ltd. | 2 |
1 |
| Other owners | 9 |