- 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 15/385 - Control of expansion valves of heat pumps
Patent holdings for IPC class F24H 15/385
Total number of patents in this class: 12
10-year publication summary
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bradford White Corporation | 284 |
3 |
| Mitsubishi Electric Corporation | 48351 |
2 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2109 |
1 |
| Kyungdong Navien Co., Ltd. | 648 |
1 |
| Midea Group Co., Ltd. | 5080 |
1 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2435 |
1 |
| Haier Smart Home Co., Ltd. | 5747 |
1 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1928 |
1 |
| Guangzhou Teshula New Energy Technology Co., Ltd | 1 |
1 |
| Other owners | 0 |