- 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: 830
10-year publication summary
|
1
|
6
|
22
|
38
|
88
|
110
|
118
|
168
|
118
|
58
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10401 |
77 |
| LG Electronics Inc. | 75274 |
49 |
| Mitsubishi Electric Corporation | 47722 |
37 |
| Haier Smart Home Co., Ltd. | 5674 |
34 |
| Samsung Electronics Co., Ltd. | 155224 |
22 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 745 |
22 |
| Midea Group Co., Ltd. | 4896 |
20 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1917 |
19 |
| Carrier Corporation | 3956 |
18 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2424 |
18 |
| Hanon Systems | 2077 |
14 |
| Tyco Fire & Security GmbH | 3606 |
14 |
| Qingdao Haier Refrigerator Co., Ltd | 1642 |
13 |
| Heatcraft Refrigeration Products LLC | 264 |
12 |
| Denso Corporation | 25361 |
11 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2038 |
11 |
| GREE Electric Appliances, Inc. of Zhuhai | 3289 |
11 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 328 |
11 |
| Hill Phoenix, Inc. | 300 |
10 |
| Johnson Controls Tyco IP Holdings LLP | 377 |
10 |
| Other owners | 397 |