- 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 9/02 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the heat-exchange media travelling at an angle to one another
Patent holdings for IPC class F28D 9/02
Total number of patents in this class: 286
10-year publication summary
17
|
15
|
28
|
24
|
21
|
26
|
32
|
23
|
17
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
33 |
Denso Corporation | 23338 |
28 |
T.RAD Co., Ltd. | 101 |
15 |
Hisaka Works, Ltd. | 34 |
13 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
11 |
Daikin Industries, Ltd. | 9495 |
9 |
Sumitomo Precision Products Co., Ltd. | 273 |
9 |
Kabushiki Kaisha Toyota Jidoshokki | 1699 |
8 |
Modine Manufacturing Company | 305 |
6 |
IHI Corporation | 3268 |
5 |
CAS Super Energy Technology Jingjiang Ltd. | 6 |
4 |
Zhejiang Sanhua Automotive Components Co., Ltd. | 230 |
4 |
Hamilton Sundstrand Corporation | 4525 |
3 |
Calsonic Kansei Corporation | 686 |
3 |
Dana Canada Corporation | 284 |
3 |
Fujitsu General Limited | 541 |
3 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
Sasakura Engineering Co., Ltd. | 52 |
3 |
Core Energy Recovery Solutions Inc. | 27 |
3 |
Rtx Corporation | 8674 |
3 |
Other owners | 117 |