- 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 3/04 - Distributing arrangements
Patent holdings for IPC class F28D 3/04
Total number of patents in this class: 118
10-year publication summary
|
11
|
4
|
8
|
9
|
13
|
7
|
8
|
4
|
10
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carrier Corporation | 3955 |
13 |
| Evapco, Inc. | 310 |
8 |
| Tyco Fire & Security GmbH | 3640 |
8 |
| Trane International Inc. | 1228 |
6 |
| Daikin Industries, Ltd. | 10499 |
5 |
| Johnson Controls Technology Company | 1384 |
5 |
| Wieland provides S.r.l. | 24 |
4 |
| Coflo Technologies LLC | 4 |
4 |
| Daikin Applied Americas Inc. | 78 |
3 |
| Linde Aktiengesellschaft | 1421 |
3 |
| MAHLE International GmbH | 2911 |
3 |
| MODEC, Inc. | 24 |
3 |
| York (Wuxi) Air Conditioning and Refrigeration Co. , Ltd. | 63 |
3 |
| LG Electronics Inc. | 75694 |
2 |
| Lockheed Martin Corporation | 3255 |
2 |
| Cummins Inc. | 2632 |
2 |
| Peugeot Citroen Automobiles SA | 1660 |
2 |
| Saipem S.p.A. | 529 |
2 |
| University of Hull | 68 |
2 |
| Webasto AG | 145 |
2 |
| Other owners | 36 |