- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24D - Domestic- or space-heating systems, e.g. central heating systemsdomestic hot-water supply systemselements or components therefor
- F24D 3/08 - Hot-water central heating systems in combination with systems for domestic hot-water supply
Patent holdings for IPC class F24D 3/08
Total number of patents in this class: 342
10-year publication summary
|
30
|
20
|
45
|
25
|
28
|
35
|
28
|
23
|
22
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Noritz Corporation | 262 |
23 |
| Daikin Industries, Ltd. | 9932 |
15 |
| Mitsubishi Electric Corporation | 45328 |
12 |
| Kyungdong Navien Co., Ltd. | 596 |
12 |
| Intellihot, Inc. | 133 |
10 |
| Rheem Manufacturing Company | 951 |
8 |
| Grundfos Holding A/S | 543 |
8 |
| Daikin Europe N.v. | 200 |
7 |
| Energy Machines ApS | 10 |
7 |
| Octopus Energy Heating Limited | 35 |
7 |
| Laars Heating Systems Company | 16 |
5 |
| Rinnai Corporation | 230 |
5 |
| Digital Heat Ltd | 11 |
5 |
| Panasonic Corporation | 20226 |
4 |
| International Thermal Investments Ltd. | 41 |
4 |
| Lochinvar, LLC | 108 |
4 |
| Osaka Gas Co., Ltd. | 314 |
4 |
| Viessmann Climate Solutions SE | 267 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 30429 |
3 |
| BDR Thermea Group B.V. | 128 |
3 |
| Other owners | 192 |