- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28D - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contactheat storage plants or apparatus in general
- F28D 1/02 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid
Patent holdings for IPC class F28D 1/02
Total number of patents in this class: 803
10-year publication summary
|
78
|
92
|
83
|
113
|
54
|
72
|
62
|
33
|
51
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5013 |
24 |
| Valeo Systemes Thermiques | 2827 |
20 |
| Mitsubishi Electric Corporation | 48097 |
17 |
| General Electric Company | 13908 |
15 |
| Koninklijke Philips N.V. | 25895 |
14 |
| MAHLE International GmbH | 2918 |
13 |
| Modine Manufacturing Company | 299 |
12 |
| Hanon Systems | 2109 |
10 |
| Rtx Corporation | 10110 |
10 |
| Denso Corporation | 25607 |
9 |
| Daikin Industries, Ltd. | 10511 |
9 |
| Danfoss Micro Channel Heat Exchanger (Jiaxing) Co. Ltd. | 89 |
9 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 156 |
9 |
| ABB Schweiz AG | 7640 |
8 |
| Carrier Corporation | 3951 |
7 |
| Dana Canada Corporation | 268 |
7 |
| Samsung Electronics Co., Ltd. | 158156 |
6 |
| Honda Motor Co., Ltd. | 26064 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9152 |
6 |
| Holtec International, Inc. | 275 |
6 |
| Other owners | 586 |