- 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 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
Patent holdings for IPC class F28D 9/00
Total number of patents in this class: 3016
10-year publication summary
263
|
271
|
287
|
299
|
259
|
256
|
201
|
198
|
216
|
97
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Alfa Laval Corporate AB | 1311 |
266 |
Valeo Systemes Thermiques | 2723 |
170 |
MAHLE International GmbH | 2765 |
74 |
Hanon Systems | 1929 |
69 |
Dana Canada Corporation | 274 |
66 |
Mitsubishi Electric Corporation | 45998 |
65 |
Hamilton Sundstrand Corporation | 4860 |
61 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3974 |
56 |
SWEP International AB | 105 |
53 |
Modine Manufacturing Company | 308 |
50 |
Vahterus Oy | 71 |
40 |
Daikin Industries, Ltd. | 9995 |
37 |
Zhejiang Sanhua Automotive Components Co., Ltd. | 297 |
34 |
Linde Aktiengesellschaft | 1516 |
33 |
Denso Corporation | 24248 |
32 |
Danfoss A/S | 1357 |
32 |
Kyungdong Navien Co., Ltd. | 615 |
31 |
IHI Corporation | 3422 |
27 |
Valeo Autosystemy Sp. z o.o. | 133 |
27 |
Hyundai Motor Company | 21938 |
21 |
Other owners | 1772 |