- 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: 77
10-year publication summary
|
0
|
0
|
0
|
0
|
4
|
6
|
23
|
14
|
39
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BDR Thermea Group B.V. | 125 |
16 |
| Rheem Manufacturing Company | 920 |
10 |
| A. o. Smith Corporation | 207 |
3 |
| Reliance Worldwide Corporation | 320 |
3 |
| Rinnai America Corporation | 96 |
3 |
| A.O. Smith (China) Water Heater Company, Ltd. | 32 |
2 |
| Bradford White Corporation | 160 |
2 |
| National Machine Company | 19 |
2 |
| Rinnai Corporation | 231 |
2 |
| Truma Gerätetechnik GmbH & Co. KG | 296 |
2 |
| LG Electronics Inc. | 70957 |
1 |
| A. o. Smith Enterprises Ltd. | 36 |
1 |
| A.O. Smith Corporation | 131 |
1 |
| Bleckmann GmbH & Co. KG | 32 |
1 |
| Brita GmbH | 104 |
1 |
| Dryair Manufacturing Corp. | 17 |
1 |
| Eberspacher catem GmbH & Co. KG | 93 |
1 |
| Haier US Appliance Solutions, Inc. | 3336 |
1 |
| Hydro-Quebec | 643 |
1 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 163 |
1 |
| Other owners | 22 |