- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24D - Domestic- or space-heating systems, e.g. central heating systems; domestic hot-water supply systems; elements 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: 333
10-year publication summary
|
22
|
30
|
19
|
45
|
25
|
28
|
35
|
28
|
18
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Noritz Corporation | 255 |
23 |
| Daikin Industries, Ltd. | 9495 |
15 |
| Kyungdong Navien Co., Ltd. | 566 |
12 |
| Mitsubishi Electric Corporation | 43934 |
11 |
| Intellihot, Inc. | 114 |
11 |
| Rheem Manufacturing Company | 861 |
8 |
| Grundfos Holding A/S | 506 |
8 |
| Daikin Europe N.v. | 171 |
7 |
| Energy Machines ApS | 9 |
7 |
| International Thermal Investments Ltd. | 43 |
5 |
| Rinnai Corporation | 204 |
5 |
| Panasonic Corporation | 20786 |
4 |
| Lochinvar, LLC | 102 |
4 |
| Osaka Gas Co., Ltd. | 312 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| BDR Thermea Group B.V. | 83 |
3 |
| Carillion Energy Services Limited | 5 |
3 |
| Rinnai America Corporation | 95 |
3 |
| sens Geoenergy Storage AB | 8 |
3 |
| Danfoss A/S | 1259 |
3 |
| Other owners | 191 |