- 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: 473
10-year publication summary
|
44
|
40
|
40
|
29
|
40
|
26
|
34
|
30
|
23
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Constellium Issoire | 226 |
93 |
| Novelis Inc. | 767 |
24 |
| Arconic Technologies LLC | 233 |
23 |
| Novelis Koblenz GmbH | 87 |
20 |
| GKN Sinter Metals, LLC | 109 |
9 |
| Alloy Enterprises, Inc. | 43 |
9 |
| Aleris Rolled Products Germany GmbH | 61 |
8 |
| UACJ Corporation | 725 |
8 |
| UT-Battelle, LLC | 1493 |
8 |
| The Boeing Company | 20094 |
7 |
| Howmet Aerospace Inc. | 398 |
7 |
| Constellium France | 24 |
6 |
| C-TEC Constellium Technology Center | 64 |
5 |
| Constellium Neuf-brisach | 138 |
5 |
| Federal-Mogul Nurnberg GmbH | 131 |
5 |
| Federal-Mogul Wiesbaden GmbH | 99 |
5 |
| Rio Tinto ALCAN International Limited | 218 |
5 |
| Rtx Corporation | 9885 |
5 |
| The Furukawa Electric Co., Ltd. | 3701 |
4 |
| FCA US LLC | 3421 |
4 |
| Other owners | 213 |