- 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: 333
10-year publication summary
|
11
|
27
|
14
|
17
|
19
|
35
|
28
|
49
|
50
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheem Manufacturing Company | 991 |
42 |
| Mitsubishi Electric Corporation | 47556 |
28 |
| Haier US Appliance Solutions, Inc. | 3971 |
23 |
| BDR Thermea Group B.V. | 175 |
14 |
| Mixergy Ltd | 32 |
10 |
| Carrier Corporation | 3968 |
8 |
| Intellihot, Inc. | 130 |
8 |
| Bradford White Corporation | 206 |
7 |
| LG Electronics Inc. | 74953 |
6 |
| A.O. Smith Corporation | 133 |
6 |
| Ariston S.p.A. | 146 |
6 |
| A. o. Smith Corporation | 216 |
5 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 246 |
4 |
| Rinnai Corporation | 281 |
4 |
| Octopus Energy Group Limited | 104 |
4 |
| Octopus Energy Heating Limited | 43 |
4 |
| General Electric Company | 13819 |
3 |
| Daikin Industries, Ltd. | 10375 |
3 |
| Midea Group Co., Ltd. | 4833 |
3 |
| Stiebel ELTRON GmbH & Co. KG | 94 |
3 |
| Other owners | 142 |