- 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: 821
10-year publication summary
|
67
|
79
|
68
|
63
|
75
|
68
|
48
|
51
|
66
|
66
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48409 |
92 |
| Daikin Industries, Ltd. | 10527 |
51 |
| Rheem Manufacturing Company | 1033 |
49 |
| Haier US Appliance Solutions, Inc. | 4147 |
22 |
| A. o. Smith Enterprises Ltd. | 34 |
16 |
| A.O. Smith Corporation | 133 |
16 |
| Panasonic Corporation | 18658 |
15 |
| LG Electronics Inc. | 76219 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
14 |
| A. o. Smith Corporation | 220 |
14 |
| Rheem Australia Pty Limited | 52 |
12 |
| Rinnai Corporation | 288 |
12 |
| Resideo USA LLC | 1283 |
12 |
| Bradford White Corporation | 293 |
11 |
| Sanden Corporation | 1055 |
11 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 247 |
10 |
| A.O. Smith Enterprises Ltd. | 55 |
9 |
| Kyungdong Navien Co., Ltd. | 649 |
9 |
| Noritz Corporation | 294 |
7 |
| Sharp Kabushiki Kaisha | 18484 |
7 |
| Other owners | 418 |