- 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: 1114
10-year publication summary
|
67
|
63
|
79
|
97
|
75
|
63
|
68
|
55
|
48
|
32
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46249 |
164 |
| Daikin Industries, Ltd. | 10031 |
56 |
| Denso Corporation | 24372 |
37 |
| Carrier Corporation | 4292 |
29 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
20 |
| Rheem Manufacturing Company | 986 |
19 |
| Trane International Inc. | 1188 |
19 |
| LG Electronics Inc. | 73383 |
17 |
| Lennox Industries Inc. | 1129 |
15 |
| Hitachi, Ltd. | 15521 |
14 |
| Midea Group Co., Ltd. | 4564 |
13 |
| Hanon Systems | 1961 |
9 |
| Valeo Systemes Thermiques | 2736 |
9 |
| Sanden Corporation | 965 |
8 |
| Justairtech GmbH | 15 |
8 |
| Copeland LP | 701 |
8 |
| Johnson Controls Light Commercial IP GmbH | 359 |
8 |
| Daikin Europe N.v. | 206 |
7 |
| WaterFurnace International, Inc. | 105 |
7 |
| Thunder Power New Energy Vehicle Development Company Limited | 146 |
7 |
| Other owners | 640 |