- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24H - Fluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general
- F24H 9/13 - Arrangements for connecting heaters to circulation pipes for water heaters
Patent holdings for IPC class F24H 9/13
Total number of patents in this class: 48
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
4
|
5
|
23
|
12
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheem Manufacturing Company | 861 |
10 |
| Rinnai America Corporation | 95 |
3 |
| A. o. Smith Corporation | 204 |
2 |
| A.O. Smith (China) Water Heater Company, Ltd. | 25 |
2 |
| Bradford White Corporation | 127 |
2 |
| Rinnai Corporation | 204 |
2 |
| Truma Gerätetechnik GmbH & Co. KG | 283 |
2 |
| A.O. Smith Corporation | 128 |
1 |
| Bleckmann GmbH & Co. KG | 29 |
1 |
| Brita GmbH | 109 |
1 |
| Eberspacher catem GmbH & Co. KG | 92 |
1 |
| Giant Factories Inc. | 62 |
1 |
| Haier US Appliance Solutions, Inc. | 3178 |
1 |
| Hydro-Quebec | 637 |
1 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 152 |
1 |
| Kyungdong Navien Co., Ltd. | 566 |
1 |
| National Machine Company | 17 |
1 |
| Noritz Corporation | 255 |
1 |
| Paloma Co., Ltd. | 35 |
1 |
| Pentair Water Pool and Spa, Inc. | 457 |
1 |
| Other owners | 12 |