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  • All sections
  • C - Chemistrymetallurgy
  • C25C - Processes for the electrolytic production, recovery or refining of metalsapparatus therefor
  • C25C 3/10 - External supporting frames or structures

Patent holdings for IPC class C25C 3/10

Total number of patents in this class: 80

10-year publication summary

14
13
7
5
3
4
10
4
4
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Rio Tinto ALCAN International Limited
216
19
Dubai Aluminium PJSC
62
9
Alumatiq AS
9
9
Norsk Hydro ASA
263
8
Elysis Limited Partnership
46
8
E.c.l.
23
5
Alcoa USA Corp.
198
3
Fives Ecl.
23
3
Hatch Ltd.
212
2
Aluminium Smelter Developments Pty Ltd
6
1
Aluminum Corporation of China Limited
35
1
China Aluminum International Engineering Corporation Limited
89
1
Element Six Technologies Limited
192
1
Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr"
131
1
United Company RUSAL Engineering and Technology Centre LLC
21
1
DMC Global Inc.
63
1
Obshestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr"
5
1
Pedonese Services Pty Ltd
1
1
Storvik AS
6
1
Gilman Industries LLC
2
1
Other owners 3

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