- 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: 698
10-year publication summary
|
74
|
72
|
72
|
70
|
55
|
63
|
37
|
45
|
57
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheem Manufacturing Company | 1019 |
73 |
| A. o. Smith Corporation | 218 |
22 |
| A. o. Smith Enterprises Ltd. | 34 |
20 |
| Haier US Appliance Solutions, Inc. | 4033 |
19 |
| A.O. Smith Enterprises Ltd. | 55 |
15 |
| Bradford White Corporation | 275 |
13 |
| A.O. Smith Corporation | 129 |
10 |
| Regal Beloit America, Inc. | 850 |
10 |
| Rheem Australia Pty Limited | 53 |
10 |
| Rinnai Corporation | 282 |
10 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 240 |
9 |
| Mixergy Ltd | 32 |
9 |
| Ariston S.p.A. | 150 |
7 |
| Resideo LLC | 1218 |
7 |
| Daikin Industries, Ltd. | 10499 |
6 |
| Fulton Group N.A., Inc. | 54 |
6 |
| Intellihot, Inc. | 128 |
6 |
| Societe Commerciale Et D'Engineering | 15 |
6 |
| Haier Smart Home Co., Ltd. | 5712 |
6 |
| Qingdao Economic & Technical Development Zone Haier Water Heater Co., Ltd. | 15 |
6 |
| Other owners | 428 |