- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 31/00 - Compressor arrangements
Patent holdings for IPC class F25B 31/00
Total number of patents in this class: 1136
10-year publication summary
|
58
|
99
|
105
|
152
|
131
|
121
|
132
|
98
|
82
|
23
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carrier Corporation | 4766 |
99 |
| Mitsubishi Electric Corporation | 41350 |
69 |
| Daikin Industries, Ltd. | 8785 |
68 |
| Trane International Inc. | 1072 |
59 |
| LG Electronics Inc. | 67036 |
53 |
| Emerson Climate Technologies, Inc. | 897 |
40 |
| Heatcraft Refrigeration Products LLC | 227 |
30 |
| Johnson Controls Tyco IP Holdings LLP | 2358 |
25 |
| Johnson Controls Technology Company | 1555 |
23 |
| GREE Electric Appliances, Inc. of Zhuhai | 2770 |
21 |
| Lennox Industries Inc. | 1031 |
19 |
| Honeywell International Inc. | 14233 |
17 |
| Agc, Inc. | 3508 |
16 |
| Samsung Electronics Co., Ltd. | 121351 |
15 |
| Danfoss A/S | 895 |
15 |
| Haier Smart Home Co., Ltd. | 3417 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 26502 |
12 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 680 |
12 |
| Midea Group Co., Ltd. | 3567 |
11 |
| Bitzer Kuehlmaschinenbau GmbH | 135 |
10 |
| Other owners | 508 |