- 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: 1145
10-year publication summary
|
125
|
139
|
102
|
130
|
99
|
74
|
80
|
78
|
63
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
121 |
| Valeo Systemes Thermiques | 2825 |
89 |
| Daikin Industries, Ltd. | 10499 |
80 |
| Denso Corporation | 25534 |
35 |
| Hanon Systems | 2106 |
29 |
| Hamilton Sundstrand Corporation | 5015 |
28 |
| Carrier Corporation | 3955 |
28 |
| MAHLE International GmbH | 2911 |
28 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 156 |
25 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 703 |
20 |
| UACJ Corporation | 734 |
19 |
| Evapco, Inc. | 310 |
17 |
| T.RAD Co., Ltd. | 105 |
17 |
| Modine Manufacturing Company | 302 |
15 |
| Fujitsu General Limited | 596 |
13 |
| Nippon Light Metal Company, Ltd. | 683 |
11 |
| Rtx Corporation | 10102 |
11 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 179 |
10 |
| LG Electronics Inc. | 75694 |
9 |
| Baltimore Aircoil Company, Inc. | 183 |
9 |
| Other owners | 531 |