- All sections
- C - Chemistry; metallurgy
- C22F - Changing the physical structure of non-ferrous metals or non-ferrous alloys
- C22F 1/057 - 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 copper as the next major constituent
Patent holdings for IPC class C22F 1/057
Total number of patents in this class: 405
10-year publication summary
|
45
|
43
|
33
|
38
|
27
|
31
|
21
|
19
|
20
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Constellium Issoire | 214 |
88 |
| Novelis Inc. | 702 |
35 |
| UACJ Corporation | 666 |
20 |
| Novelis Koblenz GmbH | 89 |
15 |
| Guizhou Hua-ke Aluminum-materials Engineering Research Co., Ltd. | 15 |
12 |
| Arconic Technologies LLC | 230 |
10 |
| Aleris Rolled Products Germany GmbH | 62 |
8 |
| Alloy Enterprises, Inc. | 31 |
7 |
| The Boeing Company | 19900 |
6 |
| ALCAN Rhenalu | 21 |
6 |
| Constellium France | 25 |
6 |
| Sumitomo Electric Industries, Ltd. | 14914 |
5 |
| Central South University | 402 |
5 |
| UT-Battelle, LLC | 1379 |
5 |
| Howmet Aerospace Inc. | 376 |
5 |
| Hyundai Motor Company | 20356 |
4 |
| FCA US LLC | 2874 |
4 |
| Otto Fuchs KG | 53 |
4 |
| NEMAK USA, Inc. | 5 |
4 |
| Honeywell International Inc. | 14009 |
3 |
| Other owners | 153 |