- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 7/00 - Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
Patent holdings for IPC class F25B 7/00
Total number of patents in this class: 953
10-year publication summary
|
71
|
63
|
68
|
83
|
58
|
66
|
65
|
81
|
72
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
107 |
| Daikin Industries, Ltd. | 9495 |
75 |
| Carrier Corporation | 4759 |
37 |
| LG Electronics Inc. | 69257 |
36 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
23 |
| Heatcraft Refrigeration Products LLC | 246 |
20 |
| PHC Holdings Corporation | 701 |
20 |
| Honeywell International Inc. | 13799 |
18 |
| Hill Phoenix, Inc. | 235 |
18 |
| Daikin Europe N.v. | 171 |
15 |
| Shinwa Controls Co., Ltd. | 153 |
12 |
| Trane International Inc. | 1123 |
12 |
| Mayekawa Mfg. Co., Ltd. | 327 |
11 |
| Toshiba Carrier Corporation | 567 |
11 |
| Johnson Controls Technology Company | 1522 |
9 |
| Hussmann Corporation | 217 |
9 |
| Lennox Industries Inc. | 1088 |
9 |
| Rheem Manufacturing Company | 861 |
9 |
| Thermo Fisher Scientific (Asheville) LLC | 75 |
9 |
| Hitachi, Ltd. | 16452 |
8 |
| Other owners | 485 |