Patent holdings for IPC class C25C 3/22

Total number of patents in this class: 121

10-year publication summary

13
4
1
6
15
2
9
1
6
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Norsk Hydro ASA
264
12
Alstom Technology Ltd
1112
9
Reel Alesa AG
13
9
Solios Environnement
18
8
Rio Tinto ALCAN International Limited
216
7
Reel Alesa AG
17
7
BASF SE
20758
4
Alcoa Inc.
295
4
Alcoa USA Corp.
198
4
ThyssenKrupp AG
3262
4
Reel Alesa
4
4
China Aluminum International Engineering Corporation Limited
89
3
ThyssenKrupp Industrial Solutions AG
636
3
ThyssenKrupp Uhde GmbH
325
3
Elysis Limited Partnership
46
3
Alliance Magnesium
16
2
Aluminium PECHINEY
9
2
Danieli Corus BV
26
2
Fives Solios
27
2
Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr"
131
2
Other owners 27