- 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 9/20 - Arrangement or mounting of control or safety devices
Patent holdings for IPC class F24H 9/20
Total number of patents in this class: 1835
10-year publication summary
|
170
|
175
|
201
|
219
|
197
|
203
|
221
|
169
|
112
|
39
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rheem Manufacturing Company | 861 |
132 |
| Kyungdong Navien Co., Ltd. | 566 |
64 |
| Haier US Appliance Solutions, Inc. | 3178 |
46 |
| Ademco Inc. | 1374 |
44 |
| A. o. Smith Corporation | 204 |
41 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 162 |
41 |
| Noritz Corporation | 255 |
37 |
| Midea Group Co., Ltd. | 4025 |
34 |
| Copeland Comfort Control LP | 271 |
34 |
| Haier Smart Home Co., Ltd. | 4882 |
31 |
| Lennox Industries Inc. | 1088 |
27 |
| Valeo Systemes Thermiques | 2471 |
24 |
| Mitsubishi Electric Corporation | 43934 |
23 |
| Rinnai Corporation | 204 |
22 |
| LG Electronics Inc. | 69257 |
19 |
| Rheem Australia Pty Limited | 71 |
19 |
| Giant Factories Inc. | 62 |
18 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
15 |
| Stiebel ELTRON GmbH & Co. KG | 93 |
15 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
13 |
| Other owners | 1136 |