- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 9/02 - Header boxesEnd plates
Patent holdings for IPC class F28F 9/02
Total number of patents in this class: 4121
10-year publication summary
|
338
|
405
|
351
|
349
|
321
|
298
|
272
|
276
|
221
|
144
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valeo Systemes Thermiques | 2821 |
355 |
| Mitsubishi Electric Corporation | 48172 |
303 |
| Hanon Systems | 2125 |
184 |
| Denso Corporation | 25645 |
167 |
| Daikin Industries, Ltd. | 10502 |
155 |
| MAHLE International GmbH | 2920 |
125 |
| Hamilton Sundstrand Corporation | 5014 |
93 |
| Carrier Corporation | 3947 |
74 |
| Alfa Laval Corporate AB | 1344 |
66 |
| Modine Manufacturing Company | 302 |
54 |
| Valeo Autosystemy Sp. z o.o. | 133 |
51 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 160 |
47 |
| Danfoss A/S | 1445 |
45 |
| Dana Canada Corporation | 267 |
43 |
| LG Electronics Inc. | 75855 |
39 |
| Samsung Electronics Co., Ltd. | 158442 |
37 |
| Sanden Corporation | 1044 |
34 |
| T.RAD Co., Ltd. | 105 |
31 |
| Rtx Corporation | 10127 |
28 |
| General Electric Company | 13915 |
26 |
| Other owners | 2164 |