- 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 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: 2846
10-year publication summary
|
238
|
263
|
271
|
287
|
299
|
259
|
254
|
194
|
191
|
72
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1265 |
253 |
| Valeo Systemes Thermiques | 2471 |
138 |
| Dana Canada Corporation | 284 |
71 |
| MAHLE International GmbH | 2670 |
71 |
| Mitsubishi Electric Corporation | 43934 |
62 |
| Hamilton Sundstrand Corporation | 4525 |
59 |
| SWEP International AB | 109 |
54 |
| Hanon Systems | 1632 |
52 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
52 |
| Modine Manufacturing Company | 305 |
48 |
| Vahterus Oy | 67 |
37 |
| Denso Corporation | 23338 |
34 |
| Kyungdong Navien Co., Ltd. | 566 |
34 |
| Linde Aktiengesellschaft | 1600 |
33 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 230 |
31 |
| Valeo Autosystemy Sp. z o.o. | 128 |
27 |
| Daikin Industries, Ltd. | 9495 |
26 |
| IHI Corporation | 3268 |
26 |
| Danfoss A/S | 1259 |
26 |
| Hyundai Motor Company | 19021 |
22 |
| Other owners | 1690 |