- 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: 5280
10-year publication summary
454
|
391
|
545
|
545
|
522
|
538
|
565
|
448
|
419
|
164
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
796 |
Daikin Industries, Ltd. | 9495 |
467 |
Carrier Corporation | 4759 |
281 |
LG Electronics Inc. | 69257 |
205 |
Lennox Industries Inc. | 1088 |
171 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
129 |
Trane International Inc. | 1123 |
121 |
Copeland LP | 656 |
104 |
Samsung Electronics Co., Ltd. | 131630 |
99 |
Danfoss A/S | 1259 |
97 |
Haier Smart Home Co., Ltd. | 4882 |
88 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
77 |
Heatcraft Refrigeration Products LLC | 246 |
73 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
69 |
Denso Corporation | 23338 |
62 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
62 |
Midea Group Co., Ltd. | 4025 |
59 |
Hill Phoenix, Inc. | 235 |
58 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
52 |
Emerson Climate Technologies, Inc. | 308 |
46 |
Other owners | 2164 |