- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/30 - Expansion meansDispositions thereof
Patent holdings for IPC class F25B 41/30
Total number of patents in this class: 149
10-year publication summary
|
0
|
4
|
3
|
8
|
17
|
19
|
25
|
22
|
15
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Haier Smart Home Co., Ltd. | 5702 |
10 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
7 |
| Trane International Inc. | 1230 |
6 |
| Mitsubishi Electric Corporation | 47943 |
5 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 763 |
5 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2427 |
5 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1920 |
5 |
| Denso Corporation | 25495 |
4 |
| Carrier Corporation | 3960 |
4 |
| Qingdao Haier Refrigerator Co., Ltd | 1650 |
4 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2079 |
3 |
| Midea Group Co., Ltd. | 4964 |
3 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 340 |
3 |
| Weiss Technik GmbH | 59 |
3 |
| Ford Global Technologies, LLC | 21466 |
2 |
| Whirlpool Corporation | 4633 |
2 |
| Daikin Industries, Ltd. | 10472 |
2 |
| Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 144 |
2 |
| Hanon Systems | 2101 |
2 |
| Heatcraft Refrigeration Products LLC | 275 |
2 |
| Other owners | 70 |