- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28D - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact; heat 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 mo 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: 1987
10-year publication summary
187
|
197
|
168
|
233
|
211
|
200
|
168
|
148
|
123
|
38
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
202 |
Denso Corporation | 23338 |
181 |
Valeo Systemes Thermiques | 2471 |
140 |
Daikin Industries, Ltd. | 9495 |
129 |
Hanon Systems | 1632 |
93 |
MAHLE International GmbH | 2670 |
85 |
Carrier Corporation | 4759 |
40 |
Behr GmbH & Co. KG | 437 |
39 |
LG Electronics Inc. | 69257 |
27 |
Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 110 |
27 |
Samsung Electronics Co., Ltd. | 131630 |
25 |
Hamilton Sundstrand Corporation | 4525 |
25 |
Valeo Autosystemy Sp. z o.o. | 128 |
24 |
DENSO International America, Inc. | 609 |
21 |
Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
21 |
Calsonic Kansei Corporation | 686 |
18 |
Trane International Inc. | 1123 |
18 |
Sanden Corporation | 859 |
17 |
Modine Manufacturing Company | 305 |
16 |
Sanden Holdings Corporation | 216 |
16 |
Other owners | 823 |