- 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 1/18 - Water-storage heaters
Patent holdings for IPC class F24H 1/18
Total number of patents in this class: 701
10-year publication summary
68
|
54
|
65
|
78
|
65
|
62
|
75
|
65
|
42
|
19
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
80 |
Daikin Industries, Ltd. | 9495 |
42 |
Rheem Manufacturing Company | 861 |
35 |
Haier US Appliance Solutions, Inc. | 3178 |
17 |
Giant Factories Inc. | 62 |
16 |
Panasonic Corporation | 20786 |
15 |
LG Electronics Inc. | 69257 |
12 |
A. o. Smith Corporation | 204 |
12 |
Sanden Corporation | 859 |
12 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
11 |
A.O. Smith Corporation | 128 |
11 |
Rheem Australia Pty Limited | 71 |
11 |
Ademco Inc. | 1374 |
10 |
Kyungdong Navien Co., Ltd. | 566 |
8 |
Rinnai Corporation | 204 |
8 |
Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 162 |
7 |
Sharp Kabushiki Kaisha | 18957 |
7 |
SIT Manufacturing N.A. S.A. de C.V. | 7 |
7 |
Noritz Corporation | 255 |
6 |
Societe Commerciale Et D'Engineering | 16 |
6 |
Other owners | 368 |