- 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 1/03 - 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 plate-like or laminated conduits
Patent holdings for IPC class F28D 1/03
Total number of patents in this class: 674
10-year publication summary
51
|
55
|
50
|
82
|
62
|
76
|
51
|
45
|
38
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Valeo Systemes Thermiques | 2471 |
101 |
Dana Canada Corporation | 284 |
43 |
Denso Corporation | 23338 |
27 |
MAHLE International GmbH | 2670 |
22 |
Modine Manufacturing Company | 305 |
20 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
15 |
Behr GmbH & Co. KG | 437 |
14 |
Hanon Systems | 1632 |
13 |
Ecovap, Inc. | 18 |
10 |
Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
9 |
Alfa Laval Corporate AB | 1265 |
8 |
Safran Aircraft Engines | 5739 |
7 |
Sumitomo Precision Products Co., Ltd. | 273 |
7 |
Hyundai Motor Company | 19021 |
6 |
Rtx Corporation | 8674 |
6 |
General Electric Company | 18133 |
5 |
Hamilton Sundstrand Corporation | 4525 |
5 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
5 |
Carrier Corporation | 4759 |
5 |
Kia Motors Corporation | 7946 |
5 |
Other owners | 341 |