- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 879
10-year publication summary
|
99
|
77
|
88
|
99
|
64
|
65
|
62
|
46
|
44
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
30 |
| Dana Canada Corporation | 284 |
30 |
| Hyundai Motor Company | 19021 |
21 |
| Valeo Systemes Thermiques | 2471 |
20 |
| Behr GmbH & Co. KG | 437 |
18 |
| Ford Global Technologies, LLC | 19702 |
14 |
| Denso Corporation | 23338 |
13 |
| Linde Aktiengesellschaft | 1600 |
13 |
| Carrier Corporation | 4759 |
12 |
| Alfa Laval Corporate AB | 1265 |
11 |
| LG Electronics Inc. | 69257 |
10 |
| General Electric Company | 18133 |
9 |
| Daikin Industries, Ltd. | 9495 |
9 |
| Kia Motors Corporation | 7946 |
9 |
| Hanon Systems | 1632 |
8 |
| MAHLE International GmbH | 2670 |
8 |
| Modine Manufacturing Company | 305 |
8 |
| The Boeing Company | 19843 |
7 |
| Applied Materials, Inc. | 16587 |
7 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Other owners | 615 |