- 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 1/03 - 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 motor car radiators 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: 724
10-year publication summary
|
49
|
78
|
61
|
76
|
53
|
45
|
41
|
38
|
28
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valeo Systemes Thermiques | 2810 |
106 |
| Dana Canada Corporation | 270 |
44 |
| Denso Corporation | 25183 |
26 |
| MAHLE International GmbH | 2883 |
22 |
| Modine Manufacturing Company | 306 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
16 |
| Hanon Systems | 2069 |
15 |
| Behr GmbH & Co. KG | 254 |
12 |
| Ecovap, Inc. | 19 |
10 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 642 |
8 |
| Rtx Corporation | 9875 |
8 |
| Safran Aircraft Engines | 6539 |
7 |
| Sumitomo Precision Products Co., Ltd. | 321 |
7 |
| General Electric Company | 13831 |
6 |
| Hyundai Motor Company | 23762 |
6 |
| Alfa Laval Corporate AB | 1329 |
6 |
| Hamilton Sundstrand Corporation | 5017 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11010 |
5 |
| Carrier Corporation | 3964 |
5 |
| Kia Motors Corporation | 7723 |
5 |
| Other owners | 385 |