- 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: 1128
10-year publication summary
|
68
|
86
|
102
|
80
|
67
|
73
|
57
|
53
|
48
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47722 |
168 |
| Daikin Industries, Ltd. | 10401 |
58 |
| Denso Corporation | 25361 |
41 |
| Carrier Corporation | 3956 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
20 |
| Trane International Inc. | 1221 |
19 |
| LG Electronics Inc. | 75274 |
18 |
| Rheem Manufacturing Company | 998 |
16 |
| Hitachi, Ltd. | 15944 |
14 |
| Lennox Industries Inc. | 1087 |
13 |
| Midea Group Co., Ltd. | 4896 |
13 |
| Valeo Systemes Thermiques | 2816 |
9 |
| WaterFurnace International, Inc. | 104 |
9 |
| Johnson Controls Light Commercial IP GmbH | 370 |
9 |
| Hanon Systems | 2077 |
8 |
| Sanden Corporation | 1023 |
8 |
| Justairtech GmbH | 19 |
8 |
| Copeland LP | 695 |
8 |
| Daikin Europe N.v. | 216 |
7 |
| Thunder Power New Energy Vehicle Development Company Limited | 146 |
7 |
| Other owners | 647 |