- 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 9/10 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes shotgun barrels
Patent holdings for IPC class C21D 9/10
Total number of patents in this class: 12
10-year publication summary
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0
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2
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1
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1
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1
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2
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1
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1
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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
|
|---|---|---|
| Aubert & Duval | 106 |
2 |
| Integrated Heat Treating Solutions, LLC | 7 |
2 |
| Robert Bosch GmbH | 40953 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| AMP Annealing Limited | 6 |
1 |
| Boehler Edelstahl GmbH & Co. KG | 16 |
1 |
| Heckler & Koch GmbH | 230 |
1 |
| Rheinmetall Waffe Munition GmbH | 559 |
1 |
| Tenaris Coiled Tubes, LLC | 21 |
1 |
| CRS Holdings, LLC | 156 |
1 |
| Other owners | 0 |