- All sections
- C - Chemistry; metallurgy
- C21D - Modifying the physical structure of ferrous metals; general devices for heat treatment of ferrous or non-ferrous metals or alloys; making metal malleable, e.g. by decarburisation or tempering
- C21D 1/53 - Heating in fluidised beds
Patent holdings for IPC class C21D 1/53
Total number of patents in this class: 14
10-year publication summary
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0
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1
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1
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0
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2
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3
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0
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0
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4
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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
|
|---|---|---|
| ArcelorMittal | 1887 |
6 |
| Rolls-Royce PLC | 2944 |
3 |
| Corning Incorporated | 9932 |
1 |
| ITOCHU Ceratech Corporation | 16 |
1 |
| Magna International Inc. | 1236 |
1 |
| Jiangsu Wanli Machinery Co., Ltd | 3 |
1 |
| Rtx Corporation | 8674 |
1 |
| Other owners | 0 |