- 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: 3156
10-year publication summary
|
271
|
287
|
300
|
259
|
256
|
203
|
202
|
222
|
168
|
102
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1336 |
278 |
| Valeo Systemes Thermiques | 2825 |
178 |
| Hanon Systems | 2108 |
84 |
| MAHLE International GmbH | 2917 |
84 |
| Mitsubishi Electric Corporation | 48048 |
66 |
| Dana Canada Corporation | 268 |
65 |
| Hamilton Sundstrand Corporation | 5014 |
62 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
56 |
| SWEP International AB | 103 |
53 |
| Modine Manufacturing Company | 301 |
51 |
| Daikin Industries, Ltd. | 10504 |
50 |
| Vahterus Oy | 70 |
41 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 331 |
35 |
| Danfoss A/S | 1436 |
35 |
| Denso Corporation | 25579 |
33 |
| Linde Aktiengesellschaft | 1421 |
32 |
| Kyungdong Navien Co., Ltd. | 642 |
31 |
| IHI Corporation | 3535 |
27 |
| Valeo Autosystemy Sp. z o.o. | 133 |
27 |
| Hyundai Motor Company | 24703 |
23 |
| Other owners | 1845 |