- 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 9/10 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for tubular bodies or pipes shotgun barrels
Patent holdings for IPC class C21D 9/10
Total number of patents in this class: 13
10-year publication summary
|
2
|
1
|
1
|
1
|
2
|
1
|
1
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aubert & Duval | 111 |
2 |
| Integrated Heat Treating Solutions, LLC | 8 |
2 |
| CRS Holdings, LLC | 155 |
2 |
| Robert Bosch GmbH | 42689 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2745 |
1 |
| AMP Annealing Limited | 8 |
1 |
| Boehler Edelstahl GmbH & Co. KG | 14 |
1 |
| Heckler & Koch GmbH | 248 |
1 |
| Rheinmetall Waffe Munition GmbH | 557 |
1 |
| Tenaris Coiled Tubes, LLC | 22 |
1 |
| Other owners | 0 |