• All sections
  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
  • F24F 3/14 - 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

Patent holdings for IPC class F24F 3/14

Total number of patents in this class: 2355

10-year publication summary

205
201
218
179
197
202
154
148
155
29
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Daikin Industries, Ltd.
10261
113
LG Electronics Inc.
74757
96
Mitsubishi Electric Corporation
47483
64
GD Midea Air-Conditioning Equipment Co., Ltd.
1996
59
Samsung Electronics Co., Ltd.
152716
50
Therma-Stor LLC
134
48
Nortek Air Solutions Canada, Inc.
124
40
Copeland LP
694
38
Midea Group Co., Ltd.
4797
34
Panasonic Intellectual Property Management Co., Ltd.
33248
33
Qingdao Haier Air Conditioner General Corp.,ltd
2416
31
Sharp Kabushiki Kaisha
18613
31
Qingdao Haier Air-Conditioning Electronic Co., Ltd.
1909
29
Carrier Corporation
3976
27
Lennox Industries Inc.
1104
27
Haier Smart Home Co., Ltd.
5630
27
Munters Corporation
126
23
Munters Europe AB
66
23
Kyungdong Navien Co., Ltd.
620
22
Trane International Inc.
1208
19
Other owners 1521