- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat 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: 1122
10-year publication summary
|
96
|
71
|
68
|
86
|
102
|
80
|
68
|
69
|
51
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
156 |
| Daikin Industries, Ltd. | 9495 |
66 |
| Carrier Corporation | 4759 |
41 |
| Denso Corporation | 23338 |
36 |
| LG Electronics Inc. | 69257 |
21 |
| Rheem Manufacturing Company | 861 |
18 |
| Lennox Industries Inc. | 1088 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
16 |
| Trane International Inc. | 1123 |
16 |
| Hitachi, Ltd. | 16452 |
14 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
11 |
| Hanon Systems | 1632 |
9 |
| Valeo Systemes Thermiques | 2471 |
9 |
| Midea Group Co., Ltd. | 4025 |
8 |
| Justairtech GmbH | 15 |
8 |
| Daikin Europe N.v. | 171 |
7 |
| Sanden Corporation | 859 |
7 |
| Thunder Power New Energy Vehicle Development Company Limited | 146 |
7 |
| Copeland LP | 656 |
7 |
| Arkema France | 3790 |
6 |
| Other owners | 642 |