- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/04 - Disposition of valves
Patent holdings for IPC class F25B 41/04
Total number of patents in this class: 1399
10-year publication summary
|
173
|
218
|
229
|
198
|
149
|
50
|
3
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46197 |
138 |
| Carrier Corporation | 4296 |
114 |
| Daikin Industries, Ltd. | 10027 |
88 |
| LG Electronics Inc. | 73344 |
76 |
| Denso Corporation | 24355 |
47 |
| Samsung Electronics Co., Ltd. | 146811 |
30 |
| Lennox Industries Inc. | 1129 |
26 |
| Danfoss A/S | 1353 |
26 |
| Sanden Corporation | 965 |
25 |
| GREE Electric Appliances, Inc. of Zhuhai | 3246 |
24 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 630 |
23 |
| Midea Group Co., Ltd. | 4558 |
23 |
| Hanon Systems | 1958 |
20 |
| Haier US Appliance Solutions, Inc. | 3647 |
17 |
| Valeo Systemes Thermiques | 2733 |
17 |
| Johnson Controls Tyco IP Holdings LLP | 638 |
17 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1829 |
13 |
| Copeland LP | 700 |
12 |
| Trane International Inc. | 1186 |
11 |
| Johnson Controls Light Commercial IP GmbH | 340 |
11 |
| Other owners | 641 |