- 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 15/02 - 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
Patent holdings for IPC class F28D 15/02
Total number of patents in this class: 2926
10-year publication summary
207
|
261
|
313
|
313
|
370
|
376
|
271
|
267
|
221
|
68
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Furukawa Electric Co., Ltd. | 3486 |
124 |
Asia Vital Components Co., Ltd. | 413 |
91 |
Denso Corporation | 23338 |
83 |
Murata Manufacturing Co., Ltd. | 22355 |
79 |
NEC Corporation | 32703 |
62 |
Cooler Master Co., Ltd. | 191 |
40 |
Shinko Electric Industries Co., Ltd. | 1186 |
39 |
Fujitsu Limited | 19265 |
36 |
Microsoft Technology Licensing, LLC | 51439 |
34 |
ABB Schweiz AG | 6321 |
32 |
Mitsubishi Electric Corporation | 43934 |
31 |
Huawei Technologies Co., Ltd. | 100781 |
28 |
Delta Electronics, Inc. | 2401 |
28 |
Dai Nippon Printing Co., Ltd. | 3891 |
28 |
Nidec Corporation | 2579 |
28 |
General Electric Company | 18133 |
25 |
LG Electronics Inc. | 69257 |
25 |
International Business Machines Corporation | 60644 |
24 |
Intel Corporation | 45621 |
24 |
Fujikura Ltd. | 2777 |
22 |
Other owners | 2043 |