- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23C - Methods or apparatus for combustion using fluid fuel or solid fuel suspended in air
- F23C 1/04 - Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in air lump and gaseous fuel
Patent holdings for IPC class F23C 1/04
Total number of patents in this class: 23
10-year publication summary
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1
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2
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1
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0
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1
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1
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3
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2
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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
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 2137 |
2 |
| Canadian Tire Corporation, Limited | 1505 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9252 |
1 |
| Kawasaki Heavy Industries, Limited | 1709 |
1 |
| Alley Enterprises Limited | 1 |
1 |
| Crystal Spring Colony Farms Ltd. | 46 |
1 |
| Global Greensteam LLC | 1 |
1 |
| Horng Jiang | 1 |
1 |
| IHI Corporation | 3552 |
1 |
| The Liberator LLC | 3 |
1 |
| Original Pellet Grill Company, LLC | 5 |
1 |
| SANYO Special Steel Co., Ltd. | 249 |
1 |
| Tocalo Co., Ltd. | 108 |
1 |
| DongFang Boiler Group Co., Ltd. | 14 |
1 |
| Kal-fire Beheer B.V. | 25 |
1 |
| Ecoflam Bruciatori S.p.A. | 11 |
1 |
| ROCKWOOL International A/S | 275 |
1 |
| Rockwool A/S | 847 |
1 |
| Stephen William John Grant | 1 |
1 |
| Alley Enterprises Unlimited Company | 2 |
1 |
| Other owners | 2 |