- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 1/214 - Sintering; Agglomerating in shaft furnaces
Patent holdings for IPC class C22B 1/214
Total number of patents in this class: 3
10-year publication summary
0
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0
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0
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3
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0
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0
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0
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0
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0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Outotec (Finland) Oy | 491 |
1 |
ThyssenKrupp AG | 3086 |
1 |
ThyssenKrupp Industrial Solutions AG | 729 |
1 |
Other owners | 0 |