- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23M - Casings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridges; devices for deflecting air, flames or combustion products in combustion chambers; safety arrangements specially adapted for combustion apparatus; details of combustion chambers, not otherwise provided for
- F23M 3/12 - Firebridges characterised by shape or construction
Patent holdings for IPC class F23M 3/12
Total number of patents in this class: 5
10-year publication summary
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1
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0
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0
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0
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0
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0
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1
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeeco, Inc. | 39 |
2 |
| Air Products and Chemicals, Inc. | 1448 |
1 |
| ClearSign Combustion Corporation | 120 |
1 |
| Webasto SE | 1025 |
1 |
| Other owners | 0 |