- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24D - Domestic- or space-heating systems, e.g. central heating systemsdomestic hot-water supply systemselements or components therefor
- F24D 15/04 - Other domestic- or space-heating systems using heat pumps
Patent holdings for IPC class F24D 15/04
Total number of patents in this class: 135
10-year publication summary
|
17
|
14
|
12
|
7
|
6
|
7
|
12
|
13
|
10
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheem Manufacturing Company | 970 |
10 |
| Mitsubishi Electric Corporation | 45811 |
7 |
| sens Geoenergy Storage AB | 7 |
5 |
| Carrier Corporation | 4356 |
4 |
| Pentair Water Pool and Spa, Inc. | 442 |
4 |
| Daikin Industries, Ltd. | 9957 |
3 |
| Haier US Appliance Solutions, Inc. | 3566 |
3 |
| Trane International Inc. | 1175 |
3 |
| IMBY Energy, Inc. | 6 |
3 |
| LG Electronics Inc. | 72473 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
2 |
| Cendori Co., Ltd. | 20 |
2 |
| Daikin Applied Americas Inc. | 81 |
2 |
| Electromotion Energy Corporation | 3 |
2 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 595 |
2 |
| Innocorps Research Corporation | 6 |
2 |
| Intellihot Green Technologies, Inc. | 4 |
2 |
| Intellihot, Inc. | 132 |
2 |
| Kyungdong Navien Co., Ltd. | 603 |
2 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 193 |
2 |
| Other owners | 71 |