- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 49/02 - Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Patent holdings for IPC class F25B 49/02
Total number of patents in this class: 5594
10-year publication summary
|
391
|
545
|
545
|
522
|
538
|
566
|
457
|
426
|
434
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44794 |
832 |
| Daikin Industries, Ltd. | 9836 |
480 |
| Carrier Corporation | 4449 |
284 |
| LG Electronics Inc. | 70957 |
204 |
| Lennox Industries Inc. | 1099 |
172 |
| Trane International Inc. | 1149 |
125 |
| Samsung Electronics Co., Ltd. | 138729 |
117 |
| Copeland LP | 674 |
112 |
| Haier Smart Home Co., Ltd. | 5299 |
104 |
| Danfoss A/S | 1316 |
101 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1830 |
92 |
| Johnson Controls Tyco IP Holdings LLP | 715 |
88 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2335 |
83 |
| Heatcraft Refrigeration Products LLC | 251 |
76 |
| GREE Electric Appliances, Inc. of Zhuhai | 3151 |
69 |
| Hill Phoenix, Inc. | 257 |
65 |
| Tyco Fire & Security GmbH | 3296 |
65 |
| Denso Corporation | 23747 |
64 |
| Midea Group Co., Ltd. | 4292 |
63 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 839 |
55 |
| Other owners | 2343 |