- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/325 - Expansion valves having two or more valve members
Patent holdings for IPC class F25B 41/325
Total number of patents in this class: 42
10-year publication summary
|
0
|
0
|
3
|
1
|
3
|
12
|
6
|
5
|
7
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157557 |
6 |
| Hanon Systems | 2106 |
5 |
| Danfoss A/S | 1428 |
5 |
| LG Electronics Inc. | 75654 |
3 |
| Carrier Corporation | 3958 |
2 |
| Honeywell International Inc. | 12778 |
1 |
| Denso Corporation | 25513 |
1 |
| Ford Global Technologies, LLC | 21478 |
1 |
| Mazda Motor Corporation | 3296 |
1 |
| Air International (US) Inc. | 22 |
1 |
| Audi AG | 7559 |
1 |
| Booz Allen Hamilton Inc. | 331 |
1 |
| Emerson Climate Technologies, Inc. | 293 |
1 |
| Parker-Hannifin Corporation | 1034 |
1 |
| Pusan National University Industry-University Cooperation Foundation | 748 |
1 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 266 |
1 |
| UT-Battelle, LLC | 1510 |
1 |
| Valeo Systemes Thermiques | 2825 |
1 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 699 |
1 |
| Jiangsu University of Science and Technology | 395 |
1 |
| Other owners | 6 |