- All sections
- C - Chemistrymetallurgy
- C21D - Modifying the physical structure of ferrous metalsgeneral devices for heat treatment of ferrous or non-ferrous metals or alloysmaking 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: 18
10-year publication summary
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1
|
1
|
0
|
2
|
3
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0
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0
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6
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0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2275 |
10 |
| Rolls-Royce PLC | 3088 |
3 |
| Corning Incorporated | 10258 |
1 |
| ITOCHU Ceratech Corporation | 17 |
1 |
| Magna International Inc. | 1227 |
1 |
| Jiangsu Wanli Machinery Co., Ltd | 3 |
1 |
| Rtx Corporation | 9352 |
1 |
| Other owners | 0 |