- 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 1/20 - Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
Patent holdings for IPC class F24H 1/20
Total number of patents in this class: 660
10-year publication summary
|
58
|
67
|
64
|
65
|
66
|
50
|
56
|
34
|
40
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheem Manufacturing Company | 990 |
73 |
| A. o. Smith Corporation | 212 |
22 |
| A. o. Smith Enterprises Ltd. | 34 |
20 |
| Haier US Appliance Solutions, Inc. | 3706 |
19 |
| A.O. Smith Enterprises Ltd. | 55 |
14 |
| Rheem Australia Pty Limited | 58 |
12 |
| A.O. Smith Corporation | 135 |
10 |
| Regal Beloit America, Inc. | 869 |
9 |
| Mixergy Ltd | 30 |
9 |
| Bradford White Corporation | 180 |
8 |
| Copeland Comfort Control LP | 281 |
8 |
| Fulton Group N.A., Inc. | 50 |
6 |
| Intellihot, Inc. | 133 |
6 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 170 |
6 |
| Societe Commerciale Et D'Engineering | 15 |
6 |
| Resideo LLC | 1306 |
6 |
| Daikin Industries, Ltd. | 10106 |
5 |
| Rinnai Corporation | 252 |
5 |
| Qingdao Economic & Technical Development Zone Haier Water Heater Co., Ltd. | 12 |
5 |
| Enginuity Power Systems, Inc. | 38 |
5 |
| Other owners | 406 |