- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
Patent holdings for IPC class F28F 3/12
Total number of patents in this class: 957
10-year publication summary
97
|
72
|
86
|
87
|
108
|
93
|
93
|
80
|
84
|
21
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dana Canada Corporation | 284 |
47 |
Valeo Systemes Thermiques | 2471 |
43 |
International Business Machines Corporation | 60644 |
18 |
Cooler Master Co., Ltd. | 191 |
15 |
Raytheon Company | 8535 |
11 |
Hamilton Sundstrand Corporation | 4525 |
11 |
The Boeing Company | 19843 |
10 |
Applied Materials, Inc. | 16587 |
10 |
Mitsubishi Electric Corporation | 43934 |
10 |
Nippon Light Metal Company, Ltd. | 645 |
9 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
8 |
Ebullient, Inc. | 18 |
8 |
MAHLE International GmbH | 2670 |
8 |
Daikin Industries, Ltd. | 9495 |
7 |
Asia Vital Components Co., Ltd. | 413 |
7 |
Hanon Systems | 1632 |
7 |
Toyota Motor Corporation | 28582 |
6 |
Intel Corporation | 45621 |
6 |
Kyocera Corporation | 12735 |
6 |
Modine Manufacturing Company | 305 |
6 |
Other owners | 704 |