Patent holdings for IPC class F24D 3/08

Total number of patents in this class: 343

10-year publication summary

30
20
45
25
28
35
28
21
23
14
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Noritz Corporation
263
23
Daikin Industries, Ltd.
9874
15
Mitsubishi Electric Corporation
45128
12
Kyungdong Navien Co., Ltd.
599
12
Intellihot, Inc.
131
10
Energy Machines ApS
13
9
Rheem Manufacturing Company
949
8
Grundfos Holding A/S
535
8
Daikin Europe N.v.
194
7
Octopus Energy Heating Limited
29
7
Rinnai Corporation
228
5
Digital Heat Ltd
11
5
Panasonic Corporation
20286
4
International Thermal Investments Ltd.
41
4
Lochinvar, LLC
108
4
Osaka Gas Co., Ltd.
322
4
Panasonic Intellectual Property Management Co., Ltd.
30119
3
BDR Thermea Group B.V.
128
3
Carillion Energy Services Limited
5
3
Laars Heating Systems Company
14
3
Other owners 194