- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment 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: 44
10-year publication summary
8
|
5
|
0
|
4
|
1
|
0
|
4
|
5
|
1
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Alcoa Inc. | 323 |
7 |
Elkem AS | 66 |
6 |
Commonwealth Scientific and Industrial Research Organisation | 1652 |
3 |
Red Mud Enterprises LLC | 5 |
3 |
Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 142 |
2 |
Coogee Titanium Pty Ltd | 12 |
2 |
Honda Motor Co., Ltd. | 24537 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
Alcoa USA Corp. | 187 |
1 |
Auckland UniServices Limited | 503 |
1 |
The Commonwealth of Australia Commonwealth Scientific and Industrial Research Organization | 2 |
1 |
Gmr, LLC | 2 |
1 |
Japan Metals & Chemicals Co., Ltd. | 2 |
1 |
Kobelco Research Institute, Inc. | 115 |
1 |
Lanzhou Jinfule Biotechnology Co., Ltd. | 18 |
1 |
Orbite Aluminae Inc. | 14 |
1 |
The Regents of the University of Colorado, a body corporate | 2430 |
1 |
SGL Carbon AG | 34 |
1 |
SK Innovation Co., Ltd. | 1015 |
1 |
Spring Power Limited | 10 |
1 |
Other owners | 7 |