- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 21/16 - Alloys based on aluminium with copper as the next major constituent with magnesium
Patent holdings for IPC class C22C 21/16
Total number of patents in this class: 482
10-year publication summary
|
44
|
40
|
40
|
29
|
40
|
26
|
34
|
30
|
25
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Constellium Issoire | 228 |
92 |
| Novelis Inc. | 782 |
26 |
| Arconic Technologies LLC | 239 |
24 |
| Novelis Koblenz GmbH | 85 |
20 |
| GKN Sinter Metals, LLC | 109 |
9 |
| Alloy Enterprises, Inc. | 44 |
9 |
| Aleris Rolled Products Germany GmbH | 61 |
8 |
| UACJ Corporation | 740 |
8 |
| UT-Battelle, LLC | 1516 |
8 |
| The Boeing Company | 20186 |
7 |
| Howmet Aerospace Inc. | 413 |
7 |
| Constellium France | 24 |
6 |
| C-TEC Constellium Technology Center | 67 |
5 |
| Constellium Neuf-brisach | 141 |
5 |
| Federal-Mogul Nurnberg GmbH | 130 |
5 |
| Federal-Mogul Wiesbaden GmbH | 98 |
5 |
| Rtx Corporation | 10127 |
5 |
| The Furukawa Electric Co., Ltd. | 3695 |
4 |
| FCA US LLC | 3586 |
4 |
| Central South University | 496 |
4 |
| Other owners | 221 |