- 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: 684
10-year publication summary
|
0
|
1
|
6
|
22
|
38
|
87
|
111
|
117
|
163
|
59
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9971 |
71 |
| LG Electronics Inc. | 72559 |
47 |
| Haier Smart Home Co., Ltd. | 5428 |
32 |
| Mitsubishi Electric Corporation | 45860 |
31 |
| Samsung Electronics Co., Ltd. | 144426 |
22 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1854 |
17 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2361 |
16 |
| Carrier Corporation | 4358 |
15 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 598 |
14 |
| Midea Group Co., Ltd. | 4489 |
14 |
| Qingdao Haier Refrigerator Co., Ltd | 1562 |
13 |
| Johnson Controls Tyco IP Holdings LLP | 657 |
12 |
| GREE Electric Appliances, Inc. of Zhuhai | 3221 |
11 |
| Heatcraft Refrigeration Products LLC | 254 |
11 |
| Denso Corporation | 24146 |
9 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1802 |
9 |
| Hanon Systems | 1906 |
9 |
| Tyco Fire & Security GmbH | 3166 |
8 |
| Hill Phoenix, Inc. | 262 |
7 |
| Aisin Corporation | 1522 |
7 |
| Other owners | 309 |