- 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: 1384
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 | 47240 |
138 |
| Carrier Corporation | 3988 |
111 |
| Daikin Industries, Ltd. | 10200 |
87 |
| LG Electronics Inc. | 74135 |
75 |
| Denso Corporation | 24933 |
47 |
| Samsung Electronics Co., Ltd. | 150501 |
30 |
| Lennox Industries Inc. | 1106 |
26 |
| Danfoss A/S | 1377 |
26 |
| Sanden Corporation | 982 |
25 |
| GREE Electric Appliances, Inc. of Zhuhai | 3267 |
24 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 702 |
23 |
| Midea Group Co., Ltd. | 4710 |
23 |
| Hanon Systems | 2030 |
20 |
| Haier US Appliance Solutions, Inc. | 3840 |
17 |
| Valeo Systemes Thermiques | 2783 |
17 |
| Tyco Fire & Security GmbH | 3490 |
16 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1936 |
13 |
| Trane International Inc. | 1206 |
11 |
| Copeland LP | 692 |
11 |
| Johnson Controls Light Commercial IP GmbH | 370 |
11 |
| Other owners | 633 |