- 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 3/00 - Hot-water central heating systems
Patent holdings for IPC class F24D 3/00
Total number of patents in this class: 210
10-year publication summary
|
21
|
23
|
16
|
26
|
16
|
11
|
13
|
17
|
12
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
21 |
| Daikin Industries, Ltd. | 9495 |
14 |
| Kyungdong Navien Co., Ltd. | 566 |
11 |
| Panasonic Corporation | 20786 |
8 |
| Noritz Corporation | 255 |
7 |
| Denso Corporation | 23338 |
4 |
| O'daniels, LLC. | 55 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Daikin Europe N.v. | 171 |
3 |
| Rinnai Corporation | 204 |
3 |
| Toshiba Carrier Corporation | 567 |
3 |
| Grundfos Holding A/S | 506 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| AMTROL Licensing Inc. | 213 |
2 |
| Bulane | 18 |
2 |
| F.W. Webb Company | 33 |
2 |
| Korea Institute of Energy Research | 803 |
2 |
| Miura Co., Ltd. | 287 |
2 |
| NxStage Medical, Inc. | 294 |
2 |
| Rheem Manufacturing Company | 861 |
2 |
| Other owners | 110 |