- 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: 1375
10-year publication summary
|
218
|
229
|
198
|
149
|
50
|
3
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48172 |
138 |
| Carrier Corporation | 3947 |
108 |
| Daikin Industries, Ltd. | 10502 |
84 |
| LG Electronics Inc. | 75855 |
75 |
| Denso Corporation | 25645 |
47 |
| Samsung Electronics Co., Ltd. | 158442 |
30 |
| Lennox Industries Inc. | 1112 |
26 |
| Danfoss A/S | 1445 |
26 |
| Sanden Corporation | 1044 |
25 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
24 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 768 |
23 |
| Midea Group Co., Ltd. | 5052 |
23 |
| Hanon Systems | 2125 |
20 |
| Haier US Appliance Solutions, Inc. | 4073 |
17 |
| Valeo Systemes Thermiques | 2821 |
17 |
| Tyco Fire & Security GmbH | 3672 |
15 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2096 |
13 |
| Trane International Inc. | 1233 |
11 |
| Copeland LP | 706 |
11 |
| Johnson Controls Light Commercial IP GmbH | 372 |
11 |
| Other owners | 631 |