- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23J - Removal or treatment of combustion products or combustion residuesflues
- F23J 3/04 - Traps
Patent holdings for IPC class F23J 3/04
Total number of patents in this class: 22
10-year publication summary
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1
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1
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1
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0
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1
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0
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0
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1
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1
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Hitachi Power Systems, Ltd. | 991 |
4 |
| Integrated Global Services, Inc. | 66 |
3 |
| Mitsubishi Power, Ltd. | 1832 |
2 |
| Siemens AG | 24033 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
1 |
| Doosan Heavy Industries & Construction Co., Ltd. | 580 |
1 |
| Graymont (QC) Inc. | 5 |
1 |
| Korea Basic Science Institute | 325 |
1 |
| Takuma Co., Ltd. | 6 |
1 |
| Ungaro SRL | 10 |
1 |
| UT-Battelle, LLC | 1510 |
1 |
| Valmet Technologies Oy | 288 |
1 |
| Yara International ASA | 901 |
1 |
| Bonstel Lnd. Co., Ltd. | 1 |
1 |
| Dongtai Hi-Tech Equipment Technology (Beijing) Co., Ltd | 3 |
1 |
| Samsung E&A Co., Ltd. | 64 |
1 |
| Other owners | 0 |