- 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: 1131
10-year publication summary
|
125
|
139
|
102
|
130
|
99
|
74
|
80
|
79
|
62
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47722 |
120 |
| Valeo Systemes Thermiques | 2816 |
86 |
| Daikin Industries, Ltd. | 10401 |
79 |
| Denso Corporation | 25361 |
35 |
| Hanon Systems | 2077 |
29 |
| Hamilton Sundstrand Corporation | 5019 |
28 |
| Carrier Corporation | 3956 |
28 |
| MAHLE International GmbH | 2888 |
28 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 151 |
25 |
| UACJ Corporation | 727 |
19 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 658 |
19 |
| Evapco, Inc. | 310 |
17 |
| T.RAD Co., Ltd. | 105 |
17 |
| Modine Manufacturing Company | 307 |
15 |
| Fujitsu General Limited | 586 |
13 |
| Nippon Light Metal Company, Ltd. | 684 |
11 |
| Rtx Corporation | 9946 |
11 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 178 |
10 |
| LG Electronics Inc. | 75274 |
9 |
| Baltimore Aircoil Company, Inc. | 180 |
8 |
| Other owners | 524 |