- 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 1/28 - Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes
Patent holdings for IPC class F24H 1/28
Total number of patents in this class: 93
10-year publication summary
|
6
|
13
|
7
|
6
|
10
|
5
|
5
|
3
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AIC S.A. | 49 |
12 |
| Rheem Manufacturing Company | 986 |
9 |
| Fulton Group N.A., Inc. | 50 |
6 |
| Kyungdong Navien Co., Ltd. | 618 |
5 |
| A. o. Smith Corporation | 211 |
4 |
| A.O. Smith Corporation | 134 |
4 |
| Intergas Heating Assets B.V. | 41 |
4 |
| Lochinvar, LLC | 113 |
4 |
| Bradford White Corporation | 174 |
3 |
| International Thermal Investments Ltd. | 41 |
3 |
| Rheem Australia Pty Limited | 58 |
3 |
| Viessmann Werke GmbH & Co. KG | 59 |
3 |
| AERCO International, Inc. | 43 |
2 |
| Hoval Aktiengesellschaft | 44 |
2 |
| Chongqing Sanwennuan Electric Co., Ltd | 4 |
2 |
| The Cleaver-Brooks Company, Inc. | 58 |
2 |
| Honeywell International Inc. | 13554 |
1 |
| A. o. Smith Enterprises Ltd. | 34 |
1 |
| Armstrong Hot Water, Inc. | 8 |
1 |
| DAESUNG CELTIC ENERSYS Co., Ltd | 9 |
1 |
| Other owners | 21 |