- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/345 - Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids
Patent holdings for IPC class F25B 41/345
Total number of patents in this class: 43
10-year publication summary
|
0
|
0
|
1
|
1
|
8
|
14
|
12
|
4
|
4
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang DunAn Artificial Environment Co., Ltd | 709 |
9 |
| Eagle Industry Co., Ltd. | 1178 |
5 |
| Denso Corporation | 25579 |
4 |
| Modine Manufacturing Company | 301 |
4 |
| Guangdong Welling Motor Manufacturing Co., Ltd. | 231 |
2 |
| Shanghai Okway Intelligent Equipment Co., Ltd. | 4 |
2 |
| Siemens AG | 24020 |
1 |
| LG Electronics Inc. | 75818 |
1 |
| Booz Allen Hamilton Inc. | 331 |
1 |
| Fujikoki Corporation | 415 |
1 |
| Guangdong Meizhi Compressor Co., Ltd. | 215 |
1 |
| MAHLE International GmbH | 2917 |
1 |
| Siemens Schweiz AG | 633 |
1 |
| Valeo Systemes Thermiques | 2825 |
1 |
| Xi'an Jiaotong University | 736 |
1 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 521 |
1 |
| ECO Holding 1 GmbH | 129 |
1 |
| Shanghai Kelai Mechatronics Engineering Co.,Ltd | 1 |
1 |
| Haier Smart Home Co., Ltd. | 5716 |
1 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
1 |
| Other owners | 3 |