- All sections
- C - Chemistry; metallurgy
- C25C - Processes for the electrolytic production, recovery or refining of metals; apparatus therefor
- C25C 3/14 - Devices for feeding or crust breaking
Patent holdings for IPC class C25C 3/14
Total number of patents in this class: 85
10-year publication summary
7
|
9
|
7
|
9
|
5
|
5
|
1
|
5
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Alcoa USA Corp. | 187 |
9 |
Norsk Hydro ASA | 288 |
9 |
Rio Tinto ALCAN International Limited | 214 |
9 |
Obshchestvo S Ogranichennoy Otvetstvennost'yu "obedinennaya Kompaniya RUSAL Inzhenerno-tekhnologicheskiy Tsentr" | 142 |
7 |
Fives Ecl. | 23 |
6 |
Elysis Limited Partnership | 62 |
6 |
E.c.l. | 30 |
5 |
China Aluminum International Engineering Corporation Limited | 81 |
4 |
Alumatiq AS | 6 |
4 |
Robert Bosch GmbH | 40953 |
3 |
Aluminium PECHINEY | 21 |
2 |
Asco Joucomatic SA | 10 |
2 |
Mac Valves, Inc. | 82 |
2 |
United Company RUSAL Engineering and Technology Centre LLC | 22 |
2 |
Alcoa Inc. | 323 |
1 |
Aluminum Corporation of China Limited | 35 |
1 |
Aventics GmbH | 34 |
1 |
Festo AG & Co. KG | 313 |
1 |
Moltech Invent S.A. | 8 |
1 |
Norgren Limited | 116 |
1 |
Other owners | 9 |