- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 41/40 - Fluid line arrangements
Patent holdings for IPC class F25B 41/40
Total number of patents in this class: 495
10-year publication summary
0
|
0
|
1
|
6
|
22
|
37
|
88
|
106
|
115
|
56
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Daikin Industries, Ltd. | 9495 |
62 |
LG Electronics Inc. | 69257 |
36 |
Haier Smart Home Co., Ltd. | 4882 |
29 |
Samsung Electronics Co., Ltd. | 131630 |
18 |
Mitsubishi Electric Corporation | 43934 |
17 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
16 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
15 |
Carrier Corporation | 4759 |
13 |
Qingdao Haier Refrigerator Co., Ltd | 1378 |
11 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
11 |
Heatcraft Refrigeration Products LLC | 246 |
10 |
Midea Group Co., Ltd. | 4025 |
8 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
6 |
Hanon Systems | 1632 |
6 |
Hill Phoenix, Inc. | 235 |
6 |
Evapco, Inc. | 244 |
5 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
5 |
Denso Corporation | 23338 |
4 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
4 |
Lennox Industries Inc. | 1088 |
4 |
Other owners | 209 |