- 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 4/02 - Water heaters
Patent holdings for IPC class F24H 4/02
Total number of patents in this class: 530
10-year publication summary
|
28
|
55
|
34
|
38
|
37
|
50
|
39
|
58
|
79
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
96 |
| Daikin Industries, Ltd. | 10499 |
41 |
| Rheem Manufacturing Company | 1019 |
29 |
| Midea Group Co., Ltd. | 5028 |
23 |
| BDR Thermea Group B.V. | 181 |
22 |
| LG Electronics Inc. | 75694 |
16 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2089 |
12 |
| Bradford White Corporation | 275 |
10 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
10 |
| Haier Smart Home Co., Ltd. | 5712 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
8 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
8 |
| Rinnai Corporation | 282 |
6 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
6 |
| Carrier Corporation | 3955 |
5 |
| Miura Co., Ltd. | 285 |
5 |
| Hisense (Guangdong) Air Conditioning Co., Ltd. | 140 |
5 |
| Fujitsu General Limited | 596 |
4 |
| Kurita Water Industries Ltd. | 1283 |
4 |
| Pentair Water Pool and Spa, Inc. | 434 |
4 |
| Other owners | 207 |