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