- 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: 39
10-year publication summary
|
0
|
0
|
3
|
1
|
3
|
12
|
6
|
4
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 151017 |
6 |
| Danfoss A/S | 1378 |
4 |
| LG Electronics Inc. | 74262 |
3 |
| Hanon Systems | 2034 |
3 |
| Carrier Corporation | 3975 |
2 |
| Honeywell International Inc. | 13558 |
1 |
| Denso Corporation | 24965 |
1 |
| Ford Global Technologies, LLC | 21058 |
1 |
| Mazda Motor Corporation | 3241 |
1 |
| Air International (US) Inc. | 22 |
1 |
| Audi AG | 7420 |
1 |
| Booz Allen Hamilton Inc. | 299 |
1 |
| Emerson Climate Technologies, Inc. | 297 |
1 |
| Parker-Hannifin Corporation | 1022 |
1 |
| Pusan National University Industry-University Cooperation Foundation | 701 |
1 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 235 |
1 |
| UT-Battelle, LLC | 1489 |
1 |
| Valeo Systemes Thermiques | 2792 |
1 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 617 |
1 |
| Jiangsu University of Science and Technology | 387 |
1 |
| Other owners | 6 |