- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
Patent holdings for IPC class F28F 27/02
Total number of patents in this class: 885
10-year publication summary
|
88
|
99
|
65
|
65
|
62
|
49
|
47
|
36
|
40
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5019 |
31 |
| Dana Canada Corporation | 269 |
29 |
| Hyundai Motor Company | 23906 |
20 |
| Valeo Systemes Thermiques | 2812 |
20 |
| Denso Corporation | 25261 |
14 |
| Linde Aktiengesellschaft | 1433 |
12 |
| Ford Global Technologies, LLC | 21309 |
11 |
| Daikin Industries, Ltd. | 10401 |
10 |
| Alfa Laval Corporate AB | 1333 |
10 |
| General Electric Company | 13808 |
9 |
| LG Electronics Inc. | 75112 |
9 |
| Pratt & Whitney Canada Corp. | 5232 |
9 |
| Carrier Corporation | 3965 |
9 |
| Mitsubishi Electric Corporation | 47655 |
8 |
| Kia Motors Corporation | 7721 |
8 |
| Hanon Systems | 2071 |
8 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 321 |
8 |
| Toyota Motor Corporation | 34794 |
7 |
| The Boeing Company | 20094 |
7 |
| Applied Materials, Inc. | 20085 |
7 |
| Other owners | 639 |