- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 1/02 - Tubular elements of cross-section which is non-circular
Patent holdings for IPC class F28F 1/02
Total number of patents in this class: 1029
10-year publication summary
|
57
|
85
|
125
|
139
|
99
|
130
|
99
|
73
|
75
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
105 |
| Valeo Systemes Thermiques | 2471 |
72 |
| Daikin Industries, Ltd. | 9495 |
70 |
| Denso Corporation | 23338 |
33 |
| Hanon Systems | 1632 |
28 |
| Hamilton Sundstrand Corporation | 4525 |
25 |
| Carrier Corporation | 4759 |
25 |
| MAHLE International GmbH | 2670 |
19 |
| UACJ Corporation | 631 |
19 |
| Modine Manufacturing Company | 305 |
18 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 110 |
17 |
| Evapco, Inc. | 244 |
16 |
| T.RAD Co., Ltd. | 101 |
16 |
| Fujitsu General Limited | 541 |
11 |
| Nippon Light Metal Company, Ltd. | 645 |
11 |
| Behr GmbH & Co. KG | 437 |
10 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 171 |
10 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
10 |
| LG Electronics Inc. | 69257 |
9 |
| Calsonic Kansei Corporation | 686 |
9 |
| Other owners | 496 |