- 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 1/18 - Water-storage heaters
Patent holdings for IPC class F24H 1/18
Total number of patents in this class: 747
10-year publication summary
|
56
|
67
|
79
|
68
|
63
|
74
|
67
|
46
|
45
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46160 |
85 |
| Rheem Manufacturing Company | 984 |
46 |
| Daikin Industries, Ltd. | 10016 |
44 |
| Haier US Appliance Solutions, Inc. | 3632 |
19 |
| A. o. Smith Enterprises Ltd. | 35 |
16 |
| Panasonic Corporation | 20093 |
15 |
| LG Electronics Inc. | 73210 |
14 |
| A. o. Smith Corporation | 213 |
13 |
| A.O. Smith Corporation | 134 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
12 |
| Sanden Corporation | 966 |
12 |
| Resideo LLC | 1269 |
11 |
| Rheem Australia Pty Limited | 58 |
10 |
| A.O. Smith Enterprises Ltd. | 55 |
9 |
| Kyungdong Navien Co., Ltd. | 617 |
8 |
| Rinnai Corporation | 249 |
8 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 170 |
7 |
| Sharp Kabushiki Kaisha | 18738 |
7 |
| SIT Manufacturing N.A. S.A. de C.V. | 7 |
7 |
| Copeland Comfort Control LP | 280 |
7 |
| Other owners | 384 |