- 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 1/04 - 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 with tubular conduits
Patent holdings for IPC class F28D 1/04
Total number of patents in this class: 866
10-year publication summary
|
76
|
89
|
73
|
77
|
47
|
54
|
63
|
36
|
48
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valeo Systemes Thermiques | 2805 |
65 |
| Hanon Systems | 2059 |
45 |
| Mitsubishi Electric Corporation | 47511 |
41 |
| Denso Corporation | 25115 |
27 |
| Carrier Corporation | 3971 |
26 |
| Daikin Industries, Ltd. | 10380 |
21 |
| LG Electronics Inc. | 74791 |
19 |
| Lennox Industries Inc. | 1091 |
18 |
| Modine Manufacturing Company | 305 |
14 |
| Hamilton Sundstrand Corporation | 5013 |
13 |
| Valeo Autosystemy Sp. z o.o. | 133 |
13 |
| Evapco, Inc. | 301 |
12 |
| General Electric Company | 13809 |
11 |
| Trane International Inc. | 1208 |
11 |
| Samsung Electronics Co., Ltd. | 152914 |
10 |
| Baltimore Aircoil Company, Inc. | 179 |
9 |
| Danfoss Micro Channel Heat Exchanger (Jiaxing) Co. Ltd. | 89 |
9 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 150 |
9 |
| Behr GmbH & Co. KG | 256 |
8 |
| Güntner GmbH & Co. KG | 60 |
8 |
| Other owners | 477 |