- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 43/00 - Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
Patent holdings for IPC class F25B 43/00
Total number of patents in this class: 1669
10-year publication summary
|
132
|
154
|
144
|
119
|
136
|
121
|
134
|
163
|
141
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44851 |
177 |
| Daikin Industries, Ltd. | 9838 |
110 |
| Denso Corporation | 23769 |
77 |
| Carrier Corporation | 4451 |
77 |
| Hanon Systems | 1819 |
42 |
| Haier Smart Home Co., Ltd. | 5310 |
40 |
| GREE Electric Appliances, Inc. of Zhuhai | 3154 |
35 |
| LG Electronics Inc. | 71039 |
34 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 491 |
32 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2340 |
30 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 840 |
29 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1835 |
28 |
| Heatcraft Refrigeration Products LLC | 253 |
25 |
| Valeo Systemes Thermiques | 2600 |
23 |
| Midea Group Co., Ltd. | 4300 |
22 |
| Trane International Inc. | 1153 |
21 |
| Fujikoki Corporation | 364 |
19 |
| Agc, Inc. | 4470 |
17 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 546 |
16 |
| MAHLE International GmbH | 2705 |
15 |
| Other owners | 800 |