• 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: 2399

10-year publication summary

216
219
224
188
206
213
167
157
162
77
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Daikin Industries, Ltd.
10456
111
LG Electronics Inc.
75536
98
Mitsubishi Electric Corporation
47860
66
GD Midea Air-Conditioning Equipment Co., Ltd.
2068
58
Samsung Electronics Co., Ltd.
156823
51
Therma-Stor LLC
135
48
Nortek Air Solutions Canada, Inc.
125
41
Copeland LP
700
38
Midea Group Co., Ltd.
4951
35
Panasonic Intellectual Property Management Co., Ltd.
33753
34
Munters Europe AB
76
32
Sharp Kabushiki Kaisha
18541
32
Qingdao Haier Air Conditioner General Corp.,ltd
2427
31
Carrier Corporation
3962
29
Qingdao Haier Air-Conditioning Electronic Co., Ltd.
1920
29
Lennox Industries Inc.
1098
27
Haier Smart Home Co., Ltd.
5694
27
Munters Corporation
122
23
Kyungdong Navien Co., Ltd.
644
22
Trane International Inc.
1226
19
Other owners 1548