- All sections
- C - Chemistrymetallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/053 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent
Patent holdings for IPC class C22F 1/053
Total number of patents in this class: 512
10-year publication summary
|
37
|
53
|
54
|
48
|
52
|
40
|
33
|
37
|
27
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 735 |
66 |
| UACJ Corporation | 680 |
37 |
| Arconic Technologies LLC | 332 |
28 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2872 |
22 |
| Novelis Koblenz GmbH | 85 |
18 |
| Aisin Keikinzoku Co., Ltd. | 82 |
17 |
| Constellium Issoire | 218 |
16 |
| Aleris Rolled Products Germany GmbH | 62 |
13 |
| Nippon Light Metal Company, Ltd. | 661 |
12 |
| Aleris Aluminum Duffel BVBA | 33 |
10 |
| Denso Corporation | 24120 |
8 |
| Kobe Steel, Ltd. | 870 |
8 |
| Apple Inc. | 54479 |
7 |
| Alcoa Inc. | 295 |
7 |
| Alloy Enterprises, Inc. | 32 |
7 |
| Constellium Valais SA (ag-ltd) | 22 |
6 |
| Alcoa USA Corp. | 198 |
5 |
| Aleris Aluminum Koblenz GmbH | 32 |
5 |
| AMAG rolling GmbH | 42 |
5 |
| Constellium Neuf-brisach | 134 |
5 |
| Other owners | 210 |