- 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 1/053 - 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 the conduits being straight
Patent holdings for IPC class F28D 1/053
Total number of patents in this class: 2214
10-year publication summary
|
168
|
234
|
212
|
200
|
170
|
158
|
132
|
142
|
133
|
74
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48172 |
258 |
| Denso Corporation | 25645 |
177 |
| Valeo Systemes Thermiques | 2821 |
144 |
| Daikin Industries, Ltd. | 10502 |
143 |
| Hanon Systems | 2125 |
109 |
| MAHLE International GmbH | 2920 |
81 |
| Carrier Corporation | 3947 |
43 |
| LG Electronics Inc. | 75855 |
36 |
| Samsung Electronics Co., Ltd. | 158442 |
35 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 160 |
35 |
| Hamilton Sundstrand Corporation | 5014 |
29 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 718 |
28 |
| Sanden Corporation | 1044 |
27 |
| Valeo Autosystemy Sp. z o.o. | 133 |
24 |
| T.RAD Co., Ltd. | 105 |
23 |
| DENSO International America, Inc. | 642 |
20 |
| Danfoss A/S | 1445 |
20 |
| Kyungdong Navien Co., Ltd. | 646 |
19 |
| Modine Manufacturing Company | 302 |
18 |
| Trane International Inc. | 1233 |
18 |
| Other owners | 927 |