- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/40 - Fluid line arrangements
Patent holdings for IPC class F25B 41/40
Total number of patents in this class: 709
10-year publication summary
|
0
|
1
|
6
|
22
|
36
|
80
|
110
|
115
|
164
|
76
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10027 |
74 |
| LG Electronics Inc. | 73344 |
47 |
| Mitsubishi Electric Corporation | 46197 |
33 |
| Haier Smart Home Co., Ltd. | 5472 |
33 |
| Samsung Electronics Co., Ltd. | 146811 |
22 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1865 |
18 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2372 |
17 |
| Carrier Corporation | 4296 |
16 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 630 |
15 |
| Midea Group Co., Ltd. | 4558 |
14 |
| Qingdao Haier Refrigerator Co., Ltd | 1573 |
13 |
| Heatcraft Refrigeration Products LLC | 258 |
12 |
| Johnson Controls Tyco IP Holdings LLP | 638 |
12 |
| GREE Electric Appliances, Inc. of Zhuhai | 3246 |
11 |
| Hanon Systems | 1958 |
11 |
| Denso Corporation | 24355 |
9 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1829 |
9 |
| Tyco Fire & Security GmbH | 3211 |
8 |
| Hill Phoenix, Inc. | 270 |
7 |
| Aisin Corporation | 1572 |
7 |
| Other owners | 321 |