- 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 7/08 - 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 otherwise bent, e.g. in a serpentine or zig-zag
Patent holdings for IPC class F28D 7/08
Total number of patents in this class: 282
10-year publication summary
34
|
32
|
27
|
33
|
17
|
18
|
18
|
18
|
13
|
9
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Louisiana Eco Green, L.L.C. | 13 |
10 |
Baltimore Aircoil Company, Inc. | 171 |
9 |
Reaction Engines Ltd | 51 |
8 |
Umicore AG & Co. KG | 855 |
7 |
General Electric Technology GmbH | 1457 |
6 |
Noritz Corporation | 264 |
6 |
Safran Aero Boosters SA | 182 |
6 |
Trane International Inc. | 1172 |
6 |
Joulia AG | 12 |
5 |
General Electric Company | 13823 |
4 |
Siemens AG | 24568 |
4 |
INEOS Europe AG | 204 |
4 |
Daikin Industries, Ltd. | 9951 |
3 |
Beckett Gas, Inc. | 42 |
3 |
Gas Technology Institute | 354 |
3 |
Hanon Systems | 1885 |
3 |
Holtec International, Inc. | 270 |
3 |
Intergas Heating Assets B.V. | 41 |
3 |
NOVA Chemicals (International) S.A. | 769 |
3 |
LivaNova Deutschland GmbH | 63 |
3 |
Other owners | 183 |