- 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: 865
10-year publication summary
|
1
|
6
|
22
|
38
|
88
|
110
|
118
|
169
|
122
|
84
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10499 |
78 |
| LG Electronics Inc. | 75694 |
52 |
| Mitsubishi Electric Corporation | 48018 |
39 |
| Haier Smart Home Co., Ltd. | 5712 |
35 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
25 |
| Samsung Electronics Co., Ltd. | 157719 |
24 |
| Midea Group Co., Ltd. | 5028 |
20 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
19 |
| Carrier Corporation | 3955 |
18 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2428 |
18 |
| Heatcraft Refrigeration Products LLC | 275 |
16 |
| Hanon Systems | 2106 |
14 |
| Qingdao Haier Refrigerator Co., Ltd | 1652 |
14 |
| Tyco Fire & Security GmbH | 3640 |
14 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 340 |
14 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
12 |
| Denso Corporation | 25534 |
11 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2089 |
11 |
| Hill Phoenix, Inc. | 305 |
10 |
| Johnson Controls Tyco IP Holdings LLP | 370 |
10 |
| Other owners | 411 |