- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28D - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact; heat storage plants or apparatus in general
- F28D 15/04 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes with tubes having a capillary structure
Patent holdings for IPC class F28D 15/04
Total number of patents in this class: 1360
10-year publication summary
96
|
95
|
137
|
143
|
172
|
211
|
173
|
200
|
146
|
42
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 22355 |
79 |
The Furukawa Electric Co., Ltd. | 3486 |
77 |
Asia Vital Components Co., Ltd. | 413 |
73 |
Shinko Electric Industries Co., Ltd. | 1186 |
42 |
Cooler Master Co., Ltd. | 191 |
32 |
Delta Electronics, Inc. | 2401 |
28 |
Huawei Technologies Co., Ltd. | 100781 |
23 |
Fujikura Ltd. | 2777 |
21 |
Kelvin Thermal Technologies, Inc. | 26 |
21 |
General Electric Company | 18133 |
20 |
Dai Nippon Printing Co., Ltd. | 3891 |
20 |
Asia Vital Components (China) Co., Ltd. | 58 |
20 |
Microsoft Technology Licensing, LLC | 51439 |
17 |
Intel Corporation | 45621 |
15 |
Euro Heat Pipes | 15 |
15 |
Fujitsu Limited | 19265 |
13 |
ABB Schweiz AG | 6321 |
13 |
AURAS Technology Co., Ltd. | 63 |
13 |
Toyota Motor Corporation | 28582 |
12 |
The Boeing Company | 19843 |
12 |
Other owners | 794 |