- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- 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: 1104
10-year publication summary
|
82
|
122
|
134
|
97
|
127
|
98
|
74
|
76
|
76
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46590 |
115 |
| Valeo Systemes Thermiques | 2744 |
86 |
| Daikin Industries, Ltd. | 10111 |
78 |
| Denso Corporation | 24562 |
33 |
| Hanon Systems | 1988 |
29 |
| Carrier Corporation | 4299 |
27 |
| MAHLE International GmbH | 2798 |
27 |
| Hamilton Sundstrand Corporation | 4931 |
26 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 145 |
24 |
| UACJ Corporation | 705 |
19 |
| Evapco, Inc. | 294 |
17 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 573 |
17 |
| Modine Manufacturing Company | 308 |
16 |
| T.RAD Co., Ltd. | 101 |
16 |
| Fujitsu General Limited | 625 |
13 |
| Nippon Light Metal Company, Ltd. | 672 |
11 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 174 |
10 |
| LG Electronics Inc. | 73690 |
9 |
| Baltimore Aircoil Company, Inc. | 176 |
8 |
| Rtx Corporation | 9483 |
8 |
| Other owners | 515 |