- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22G - Superheating of steam
- F22G 7/04 - Steam superheaters characterised by location, arrangement, or disposition in jackets around fire tubes
Patent holdings for IPC class F22G 7/04
Total number of patents in this class: 3
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Korens Co., Ltd. | 31 |
2 |
| International Paper Company | 780 |
1 |
| Other owners | 0 |