- 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: 1475
10-year publication summary
|
150
|
163
|
162
|
146
|
97
|
50
|
30
|
24
|
17
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
193 |
| Carrier Corporation | 3955 |
130 |
| Daikin Industries, Ltd. | 10499 |
109 |
| LG Electronics Inc. | 75694 |
88 |
| Denso Corporation | 25534 |
50 |
| Danfoss A/S | 1432 |
30 |
| Haier Smart Home Co., Ltd. | 5712 |
27 |
| Samsung Electronics Co., Ltd. | 157719 |
26 |
| Trane International Inc. | 1228 |
23 |
| Tyco Fire & Security GmbH | 3640 |
20 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
17 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 521 |
16 |
| Lennox Industries Inc. | 1105 |
15 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2428 |
15 |
| Evapco, Inc. | 310 |
14 |
| Heatcraft Refrigeration Products LLC | 275 |
14 |
| Valeo Systemes Thermiques | 2825 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
13 |
| Hanon Systems | 2106 |
13 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
13 |
| Other owners | 635 |