- 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: 532
10-year publication summary
|
53
|
54
|
48
|
52
|
40
|
33
|
39
|
32
|
19
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 788 |
68 |
| UACJ Corporation | 744 |
39 |
| Arconic Technologies LLC | 242 |
27 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2851 |
24 |
| Constellium Issoire | 230 |
21 |
| Novelis Koblenz GmbH | 84 |
21 |
| Aisin Keikinzoku Co., Ltd. | 84 |
18 |
| Aleris Rolled Products Germany GmbH | 61 |
13 |
| Aleris Aluminum Duffel BVBA | 28 |
9 |
| Denso Corporation | 26008 |
8 |
| Constellium Rolled Products Ravenswood, LLC | 24 |
8 |
| Kobe Steel, Ltd. | 904 |
8 |
| Nippon Light Metal Company, Ltd. | 697 |
8 |
| Apple Inc. | 59629 |
7 |
| Alloy Enterprises, Inc. | 47 |
7 |
| Alcoa Inc. | 247 |
6 |
| Constellium Valais SA (ag-ltd) | 22 |
6 |
| Alcoa USA Corp. | 205 |
5 |
| AMAG rolling GmbH | 43 |
5 |
| Constellium Neuf-brisach | 142 |
5 |
| Other owners | 219 |