• All sections
  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
  • F24F 3/153 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidificationAir-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature

Patent holdings for IPC class F24F 3/153

Total number of patents in this class: 297

10-year publication summary

25
39
44
21
25
33
27
26
16
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Therma-Stor LLC
134
20
Heds Holdings LLC
20
18
Johnson Controls Light Commercial IP GmbH
372
18
LG Electronics Inc.
75694
14
Lennox Industries Inc.
1105
12
Mitsubishi Electric Corporation
48018
10
Daikin Industries, Ltd.
10499
9
Carrier Corporation
3955
8
Kyungdong Navien Co., Ltd.
643
8
Tyco Fire & Security GmbH
3640
8
Trane International Inc.
1228
7
Kentuckiana Curb Co., Inc
20
5
Samsung Electronics Co., Ltd.
157719
4
Panasonic Intellectual Property Management Co., Ltd.
33997
4
Aperia Technologies, Inc.
53
4
Daikin Applied Americas Inc.
78
4
NovelAire Technologies, LLC
9
4
Qingdao Haier Air Conditioner General Corp.,ltd
2428
4
Rheem Manufacturing Company
1019
4
Goodman Global Group, Inc
36
4
Other owners 128