- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 1/24 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
Patent holdings for IPC class F28F 1/24
Total number of patents in this class: 154
10-year publication summary
|
10
|
13
|
17
|
18
|
9
|
11
|
13
|
6
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47483 |
5 |
| Wieland-Werke AG | 351 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3487 |
3 |
| Hyundai Motor Company | 23447 |
3 |
| Uop LLC | 4293 |
3 |
| Daikin Industries, Ltd. | 10261 |
3 |
| A-heat Allied Heat Exchange Technology AG | 8 |
3 |
| Eberspaecher Exhaust Technology GmbH & Co. KG | 62 |
3 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 177 |
3 |
| NOVA Chemicals (International) S.A. | 790 |
3 |
| Oy Halton Group Ltd. | 127 |
3 |
| Rheem Manufacturing Company | 989 |
3 |
| Danfoss A/S | 1387 |
3 |
| Johnson Controls Light Commercial IP GmbH | 370 |
3 |
| Samsung Electronics Co., Ltd. | 152716 |
2 |
| LG Electronics Inc. | 74757 |
2 |
| Ford Global Technologies, LLC | 21196 |
2 |
| Shell Oil Company | 2110 |
2 |
| Carrier Corporation | 3976 |
2 |
| Kia Motors Corporation | 7736 |
2 |
| Other owners | 97 |