- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 41/30 - Expansion means; Dispositions thereof
Patent holdings for IPC class F25B 41/30
Total number of patents in this class: 98
10-year publication summary
0
|
1
|
0
|
4
|
3
|
8
|
16
|
19
|
23
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Haier Smart Home Co., Ltd. | 4882 |
8 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
5 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
4 |
Qingdao Haier Refrigerator Co., Ltd | 1378 |
4 |
Trane International Inc. | 1123 |
4 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
4 |
Mitsubishi Electric Corporation | 43934 |
3 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
3 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
3 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
3 |
Daikin Industries, Ltd. | 9495 |
2 |
Carrier Corporation | 4759 |
2 |
Hanon Systems | 1632 |
2 |
Heatcraft Refrigeration Products LLC | 246 |
2 |
Hill Phoenix, Inc. | 235 |
2 |
Midea Group Co., Ltd. | 4025 |
2 |
Valeo Systemes Thermiques | 2471 |
2 |
Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 143 |
2 |
BWXT Advanced Technologies LLC | 96 |
2 |
Copeland LP | 656 |
2 |
Other owners | 37 |