- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 29/00 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
Patent holdings for IPC class F25B 29/00
Total number of patents in this class: 1136
10-year publication summary
|
68
|
86
|
102
|
80
|
67
|
73
|
57
|
53
|
49
|
41
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48351 |
169 |
| Daikin Industries, Ltd. | 10514 |
58 |
| Denso Corporation | 25746 |
42 |
| Carrier Corporation | 3954 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
20 |
| Trane International Inc. | 1240 |
20 |
| LG Electronics Inc. | 76087 |
18 |
| Rheem Manufacturing Company | 1030 |
17 |
| Hitachi, Ltd. | 16206 |
14 |
| Lennox Industries Inc. | 1120 |
13 |
| Midea Group Co., Ltd. | 5080 |
13 |
| WaterFurnace International, Inc. | 105 |
10 |
| Sanden Corporation | 1056 |
9 |
| Valeo Systemes Thermiques | 2816 |
9 |
| Johnson Controls Light Commercial IP GmbH | 372 |
9 |
| Hanon Systems | 2133 |
8 |
| Justairtech GmbH | 19 |
8 |
| Copeland LP | 712 |
8 |
| Daikin Europe N.v. | 221 |
7 |
| Thunder Power New Energy Vehicle Development Company Limited | 146 |
7 |
| Other owners | 650 |