- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23M - Casings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridgesdevices for deflecting air, flames or combustion products in combustion chamberssafety arrangements specially adapted for combustion apparatusdetails of combustion chambers, not otherwise provided for
- F23M 3/04 - Firebridges modified for circulation of fluids, e.g. air, steam, water for delivery of gas, e.g. air, steam
Patent holdings for IPC class F23M 3/04
Total number of patents in this class: 14
10-year publication summary
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1
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1
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0
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0
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0
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2
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0
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0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeeco, Inc. | 41 |
2 |
| Caterpillar Inc. | 9549 |
1 |
| Blasch Precision Ceramics, Inc. | 40 |
1 |
| The BOC Group, Inc. | 23 |
1 |
| Burner Systems International, Inc. | 15 |
1 |
| Field Controls, LLC | 75 |
1 |
| Grand Mate Co., Ltd. | 106 |
1 |
| Johns Manville | 954 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3985 |
1 |
| Precision Combustion, Inc. | 104 |
1 |
| Selas Heat Technology Company LLC | 43 |
1 |
| Vast Holdings, LLC | 15 |
1 |
| Resideo LLC | 1269 |
1 |
| Other owners | 0 |