- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat 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: 1086
10-year publication summary
|
68
|
83
|
58
|
66
|
66
|
83
|
77
|
100
|
64
|
46
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
119 |
| Daikin Industries, Ltd. | 10504 |
104 |
| LG Electronics Inc. | 75818 |
40 |
| Carrier Corporation | 3951 |
33 |
| PHC Holdings Corporation | 709 |
22 |
| Heatcraft Refrigeration Products LLC | 282 |
21 |
| Hill Phoenix, Inc. | 306 |
21 |
| Trane International Inc. | 1229 |
17 |
| Tyco Fire & Security GmbH | 3652 |
16 |
| Daikin Europe N.v. | 218 |
15 |
| Honeywell International Inc. | 12772 |
12 |
| Energy Recovery, Inc. | 191 |
12 |
| Shinwa Controls Co., Ltd. | 170 |
12 |
| Hussmann Corporation | 231 |
11 |
| Toshiba Carrier Corporation | 472 |
11 |
| Fujitsu General Limited | 597 |
10 |
| Mayekawa Mfg. Co., Ltd. | 367 |
10 |
| Thermo Fisher Scientific (Asheville) LLC | 81 |
10 |
| Johnson Controls Light Commercial IP GmbH | 372 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
9 |
| Other owners | 571 |