- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24H - Fluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general
- F24H 4/04 - Storage heaters
Patent holdings for IPC class F24H 4/04
Total number of patents in this class: 292
10-year publication summary
|
25
|
11
|
28
|
16
|
17
|
21
|
35
|
29
|
50
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheem Manufacturing Company | 978 |
40 |
| Mitsubishi Electric Corporation | 45899 |
26 |
| Haier US Appliance Solutions, Inc. | 3568 |
22 |
| BDR Thermea Group B.V. | 141 |
11 |
| Carrier Corporation | 4353 |
8 |
| Mixergy Ltd | 27 |
7 |
| LG Electronics Inc. | 72675 |
6 |
| Intellihot, Inc. | 132 |
6 |
| A. o. Smith Corporation | 214 |
5 |
| A.O. Smith Corporation | 134 |
4 |
| Rinnai Corporation | 241 |
4 |
| Octopus Energy Group Limited | 95 |
4 |
| Ariston S.p.A. | 139 |
4 |
| Octopus Energy Heating Limited | 37 |
4 |
| General Electric Company | 13838 |
3 |
| Daikin Industries, Ltd. | 9977 |
3 |
| Midea Group Co., Ltd. | 4500 |
3 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 194 |
3 |
| Stiebel ELTRON GmbH & Co. KG | 96 |
3 |
| Villara Corporation | 21 |
3 |
| Other owners | 123 |