- 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: 4049
10-year publication summary
|
325
|
390
|
343
|
340
|
313
|
295
|
265
|
263
|
211
|
59
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valeo Systemes Thermiques | 2809 |
349 |
| Mitsubishi Electric Corporation | 47556 |
296 |
| Hanon Systems | 2067 |
183 |
| Denso Corporation | 25165 |
167 |
| Daikin Industries, Ltd. | 10375 |
152 |
| MAHLE International GmbH | 2879 |
128 |
| Hamilton Sundstrand Corporation | 5014 |
92 |
| Carrier Corporation | 3968 |
74 |
| Alfa Laval Corporate AB | 1328 |
64 |
| Modine Manufacturing Company | 307 |
58 |
| Valeo Autosystemy Sp. z o.o. | 133 |
51 |
| Dana Canada Corporation | 270 |
45 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 150 |
43 |
| Danfoss A/S | 1395 |
41 |
| LG Electronics Inc. | 74953 |
37 |
| Samsung Electronics Co., Ltd. | 153573 |
36 |
| T.RAD Co., Ltd. | 105 |
31 |
| Behr GmbH & Co. KG | 256 |
28 |
| General Electric Company | 13819 |
26 |
| Rtx Corporation | 9851 |
26 |
| Other owners | 2122 |