- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28D - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contactheat storage plants or apparatus in general
- F28D 7/10 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
Patent holdings for IPC class F28D 7/10
Total number of patents in this class: 976
10-year publication summary
84
|
83
|
78
|
90
|
50
|
75
|
61
|
46
|
52
|
34
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NGK Insulators, Ltd. | 4968 |
30 |
Denso Corporation | 24355 |
13 |
Hamilton Sundstrand Corporation | 4891 |
13 |
Fulton Group N.A., Inc. | 50 |
12 |
Hanon Systems | 1958 |
12 |
Mitsubishi Heavy Industries, Ltd. | 8752 |
11 |
Dana Canada Corporation | 273 |
11 |
Mitsubishi Electric Corporation | 46197 |
10 |
Holtec International, Inc. | 270 |
10 |
Valeo Systemes Thermiques | 2733 |
9 |
Linde GmbH | 1254 |
9 |
Hyundai Motor Company | 22086 |
8 |
Daikin Industries, Ltd. | 10027 |
8 |
Calsonic Kansei Corporation | 584 |
8 |
Louisiana Eco Green, L.L.C. | 13 |
8 |
General Electric Company | 13810 |
7 |
Carrier Corporation | 4296 |
7 |
Arvos GmbH | 26 |
7 |
BORSIG GmbH | 18 |
7 |
Denso Air Systems Corporation | 15 |
7 |
Other owners | 769 |