- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24H - Fluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general
- F24H 1/44 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with combinations of two or more of the types covered by groups
Patent holdings for IPC class F24H 1/44
Total number of patents in this class: 54
10-year publication summary
|
10
|
4
|
16
|
8
|
4
|
1
|
2
|
4
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyungdong Navien Co., Ltd. | 617 |
5 |
| Intellihot, Inc. | 133 |
4 |
| Noritz Corporation | 277 |
4 |
| A. o. Smith Corporation | 214 |
3 |
| RIELLO S.p.A. | 49 |
3 |
| AIC S.A. | 48 |
2 |
| A.O. Smith Corporation | 134 |
2 |
| Bradford White Corporation | 173 |
2 |
| Rinnai Corporation | 244 |
2 |
| Suzhou CQ Heat Exchanger Co., Ltd. | 7 |
2 |
| Digital Heat Ltd | 11 |
2 |
| Robert Bosch GmbH | 42684 |
1 |
| A. o. Smith Enterprises Ltd. | 35 |
1 |
| A.O. Smith Enterprises Ltd. | 55 |
1 |
| Armstrong Hot Water, Inc. | 8 |
1 |
| ECR International, Inc. | 11 |
1 |
| Fontecal S.p.A. | 2 |
1 |
| Giacomini S.p.A. | 74 |
1 |
| Viessmann Werke GmbH & Co. KG | 59 |
1 |
| Bosch Termotecnologia S.A. | 24 |
1 |
| Other owners | 14 |