- All sections
- C - Chemistry; metallurgy
- C22C - Alloys
- C22C 21/14 - Alloys based on aluminium with copper as the next major constituent with silicon
Patent holdings for IPC class C22C 21/14
Total number of patents in this class: 293
10-year publication summary
|
33
|
56
|
37
|
33
|
29
|
18
|
30
|
17
|
15
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Constellium Issoire | 208 |
24 |
| Novelis Inc. | 656 |
23 |
| UACJ Corporation | 631 |
15 |
| Arconic Technologies LLC | 219 |
8 |
| UT-Battelle, LLC | 1333 |
7 |
| Alloy Enterprises, Inc. | 20 |
7 |
| Federal-Mogul Nurnberg GmbH | 137 |
6 |
| Novelis Koblenz GmbH | 93 |
6 |
| Hyundai Motor Company | 19021 |
5 |
| GKN Sinter Metals, LLC | 106 |
5 |
| The Boeing Company | 19843 |
4 |
| The Furukawa Electric Co., Ltd. | 3486 |
4 |
| Aleris Rolled Products Germany GmbH | 62 |
4 |
| Federal-Mogul Wiesbaden GmbH | 103 |
4 |
| Furukawa Automotive Systems Inc. | 558 |
4 |
| Arconic Inc. | 259 |
4 |
| Howmet Aerospace Inc. | 367 |
4 |
| Toyota Motor Corporation | 28582 |
3 |
| Yazaki Corporation | 6282 |
3 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
3 |
| Other owners | 150 |