- 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: 1590
10-year publication summary
|
90
|
132
|
154
|
144
|
119
|
136
|
119
|
133
|
162
|
55
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
169 |
| Daikin Industries, Ltd. | 9495 |
105 |
| Denso Corporation | 23338 |
77 |
| Carrier Corporation | 4759 |
77 |
| Haier Smart Home Co., Ltd. | 4882 |
41 |
| Hanon Systems | 1632 |
35 |
| LG Electronics Inc. | 69257 |
31 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
30 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
30 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
28 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
28 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
26 |
| Heatcraft Refrigeration Products LLC | 246 |
24 |
| Valeo Systemes Thermiques | 2471 |
23 |
| Midea Group Co., Ltd. | 4025 |
20 |
| Trane International Inc. | 1123 |
20 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
19 |
| Agc, Inc. | 4029 |
17 |
| Fujikoki Corporation | 330 |
16 |
| MAHLE International GmbH | 2670 |
16 |
| Other owners | 758 |