- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 9/02 - Header boxes; End plates
Patent holdings for IPC class F28F 9/02
Total number of patents in this class: 3706
10-year publication summary
|
309
|
339
|
338
|
405
|
351
|
349
|
317
|
288
|
249
|
76
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valeo Systemes Thermiques | 2471 |
324 |
| Mitsubishi Electric Corporation | 43934 |
247 |
| Denso Corporation | 23338 |
164 |
| Hanon Systems | 1632 |
145 |
| MAHLE International GmbH | 2670 |
126 |
| Daikin Industries, Ltd. | 9495 |
124 |
| Hamilton Sundstrand Corporation | 4525 |
81 |
| Carrier Corporation | 4759 |
72 |
| Modine Manufacturing Company | 305 |
62 |
| Alfa Laval Corporate AB | 1265 |
58 |
| Behr GmbH & Co. KG | 437 |
55 |
| Valeo Autosystemy Sp. z o.o. | 128 |
50 |
| Dana Canada Corporation | 284 |
46 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 110 |
35 |
| Danfoss A/S | 1259 |
35 |
| LG Electronics Inc. | 69257 |
34 |
| Calsonic Kansei Corporation | 686 |
31 |
| Samsung Electronics Co., Ltd. | 131630 |
30 |
| T.RAD Co., Ltd. | 101 |
28 |
| General Electric Company | 18133 |
25 |
| Other owners | 1934 |