- All sections
- C - Chemistry; metallurgy
- 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: 415
10-year publication summary
37
|
61
|
44
|
40
|
40
|
29
|
40
|
26
|
29
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Constellium Issoire | 208 |
82 |
Novelis Inc. | 656 |
25 |
Novelis Koblenz GmbH | 93 |
18 |
Arconic Technologies LLC | 219 |
15 |
Aleris Rolled Products Germany GmbH | 62 |
9 |
UACJ Corporation | 631 |
8 |
GKN Sinter Metals, LLC | 106 |
7 |
UT-Battelle, LLC | 1333 |
7 |
Arconic Technologies LLC | 95 |
7 |
Howmet Aerospace Inc. | 367 |
7 |
Alloy Enterprises, Inc. | 20 |
7 |
The Boeing Company | 19843 |
6 |
Constellium France | 27 |
6 |
Federal-Mogul Nurnberg GmbH | 137 |
5 |
Federal-Mogul Wiesbaden GmbH | 103 |
5 |
The Furukawa Electric Co., Ltd. | 3486 |
4 |
FCA US LLC | 2755 |
4 |
ALCAN Rhenalu | 28 |
4 |
Alcoa Inc. | 323 |
4 |
Aleris Aluminum Koblenz GmbH | 42 |
4 |
Other owners | 181 |