- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28C - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media come into direct contact without chemical interaction
- F28C 1/12 - Arrangements for preventing clogging by frost
Patent holdings for IPC class F28C 1/12
Total number of patents in this class: 4
10-year publication summary
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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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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Baltimore Aircoil Company, Inc. | 156 |
2 |
| Tsinghua University | 5426 |
1 |
| Shandong Beno Cooling Equiment Co., Ltd. | 1 |
1 |
| Other owners | 0 |