- 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: 434
10-year publication summary
61
|
44
|
40
|
40
|
29
|
40
|
26
|
32
|
28
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Constellium Issoire | 217 |
85 |
Novelis Inc. | 704 |
25 |
Novelis Koblenz GmbH | 87 |
18 |
Arconic Technologies LLC | 230 |
15 |
Aleris Rolled Products Germany GmbH | 62 |
9 |
GKN Sinter Metals, LLC | 110 |
9 |
Alloy Enterprises, Inc. | 32 |
9 |
UACJ Corporation | 665 |
8 |
The Boeing Company | 19946 |
7 |
UT-Battelle, LLC | 1396 |
7 |
Arconic Technologies LLC | 96 |
7 |
Howmet Aerospace Inc. | 378 |
7 |
Constellium France | 25 |
6 |
Federal-Mogul Nurnberg GmbH | 137 |
5 |
Federal-Mogul Wiesbaden GmbH | 102 |
5 |
The Furukawa Electric Co., Ltd. | 3605 |
4 |
FCA US LLC | 2909 |
4 |
Aleris Aluminum Koblenz GmbH | 34 |
4 |
C-TEC Constellium Technology Center | 53 |
4 |
Central South University | 409 |
4 |
Other owners | 192 |