- 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: 1125
10-year publication summary
|
63
|
79
|
97
|
75
|
63
|
69
|
55
|
50
|
43
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47483 |
167 |
| Daikin Industries, Ltd. | 10261 |
58 |
| Denso Corporation | 25099 |
41 |
| Carrier Corporation | 3976 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
20 |
| Trane International Inc. | 1208 |
19 |
| LG Electronics Inc. | 74757 |
18 |
| Rheem Manufacturing Company | 989 |
16 |
| Hitachi, Ltd. | 15869 |
14 |
| Lennox Industries Inc. | 1104 |
13 |
| Midea Group Co., Ltd. | 4797 |
13 |
| Hanon Systems | 2053 |
9 |
| Valeo Systemes Thermiques | 2805 |
9 |
| Johnson Controls Light Commercial IP GmbH | 370 |
9 |
| Sanden Corporation | 1004 |
8 |
| WaterFurnace International, Inc. | 104 |
8 |
| Justairtech GmbH | 19 |
8 |
| Copeland LP | 694 |
8 |
| Daikin Europe N.v. | 215 |
7 |
| Thunder Power New Energy Vehicle Development Company Limited | 146 |
7 |
| Other owners | 645 |