- 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: 1486
10-year publication summary
|
149
|
158
|
159
|
142
|
92
|
44
|
27
|
22
|
15
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47131 |
193 |
| Carrier Corporation | 3991 |
137 |
| Daikin Industries, Ltd. | 10168 |
123 |
| LG Electronics Inc. | 73967 |
88 |
| Denso Corporation | 24863 |
50 |
| Danfoss A/S | 1369 |
28 |
| Samsung Electronics Co., Ltd. | 149838 |
26 |
| Haier Smart Home Co., Ltd. | 5561 |
25 |
| Trane International Inc. | 1206 |
23 |
| Tyco Fire & Security GmbH | 3485 |
21 |
| GREE Electric Appliances, Inc. of Zhuhai | 3263 |
17 |
| Lennox Industries Inc. | 1127 |
16 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 519 |
16 |
| Evapco, Inc. | 297 |
14 |
| Heatcraft Refrigeration Products LLC | 263 |
14 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2397 |
14 |
| Valeo Systemes Thermiques | 2776 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 32675 |
13 |
| Hanon Systems | 2017 |
13 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1890 |
12 |
| Other owners | 629 |