- 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 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: 271
10-year publication summary
33
|
34
|
32
|
27
|
33
|
17
|
18
|
17
|
18
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Baltimore Aircoil Company, Inc. | 156 |
9 |
Louisiana Eco Green, L.L.C. | 12 |
9 |
Reaction Engines Ltd | 46 |
8 |
General Electric Technology GmbH | 1657 |
7 |
Umicore AG & Co. KG | 867 |
7 |
Noritz Corporation | 255 |
6 |
Trane International Inc. | 1123 |
6 |
Joulia AG | 10 |
5 |
Safran Aero Boosters SA | 180 |
5 |
General Electric Company | 18133 |
4 |
Siemens AG | 24990 |
4 |
INEOS Europe AG | 188 |
4 |
Daikin Industries, Ltd. | 9495 |
3 |
Beckett Gas, Inc. | 50 |
3 |
Gas Technology Institute | 374 |
3 |
Hanon Systems | 1632 |
3 |
Holtec International, Inc. | 258 |
3 |
Intergas Heating Assets B.V. | 41 |
3 |
NOVA Chemicals (International) S.A. | 717 |
3 |
Sulzer Management AG | 613 |
3 |
Other owners | 173 |