- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/00 - Fluid-circulation arrangements
Patent holdings for IPC class F25B 41/00
Total number of patents in this class: 1499
10-year publication summary
|
155
|
149
|
158
|
159
|
142
|
92
|
44
|
27
|
22
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46547 |
193 |
| Carrier Corporation | 4299 |
142 |
| Daikin Industries, Ltd. | 10106 |
125 |
| LG Electronics Inc. | 73588 |
88 |
| Denso Corporation | 24541 |
51 |
| Danfoss A/S | 1354 |
28 |
| Samsung Electronics Co., Ltd. | 147787 |
27 |
| Haier Smart Home Co., Ltd. | 5492 |
25 |
| Trane International Inc. | 1194 |
23 |
| Tyco Fire & Security GmbH | 3417 |
21 |
| GREE Electric Appliances, Inc. of Zhuhai | 3252 |
16 |
| Lennox Industries Inc. | 1130 |
16 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 514 |
16 |
| Evapco, Inc. | 294 |
14 |
| Heatcraft Refrigeration Products LLC | 262 |
14 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2378 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
13 |
| Hanon Systems | 1982 |
13 |
| Valeo Systemes Thermiques | 2743 |
13 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1871 |
12 |
| Other owners | 635 |