- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 1/44 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element and being formed of wire mesh
Patent holdings for IPC class F28F 1/44
Total number of patents in this class: 8
10-year publication summary
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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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2
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Penn State Research Foundation | 1611 |
2 |
| Brayton Energy Canada, Inc. | 3 |
1 |
| Calsonic Kansei North America, Inc. | 5 |
1 |
| Institut National Polytechnique de Toulouse | 225 |
1 |
| Centre National de La Recherche Scientifique (cnrs) | 3016 |
1 |
| Grims | 3 |
1 |
| İzmi̇r Yüksek Teknoloji̇ Ensti̇tüsü Rektörlüğü | 45 |
1 |
| Other owners | 0 |