• 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: 2425

10-year publication summary

216
219
224
188
206
213
167
158
166
105
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Daikin Industries, Ltd.
10513
110
LG Electronics Inc.
75910
102
Mitsubishi Electric Corporation
48236
67
GD Midea Air-Conditioning Equipment Co., Ltd.
2101
58
Samsung Electronics Co., Ltd.
158605
51
Therma-Stor LLC
134
48
Nortek Air Solutions Canada, Inc.
125
41
Munters Europe AB
84
38
Copeland LP
707
38
Midea Group Co., Ltd.
5060
35
Panasonic Intellectual Property Management Co., Ltd.
34335
34
Sharp Kabushiki Kaisha
18495
32
Qingdao Haier Air Conditioner General Corp.,ltd
2435
31
Carrier Corporation
3950
30
Qingdao Haier Air-Conditioning Electronic Co., Ltd.
1928
29
Lennox Industries Inc.
1114
27
Haier Smart Home Co., Ltd.
5732
27
Munters Corporation
121
23
Kyungdong Navien Co., Ltd.
646
22
Trane International Inc.
1237
20
Other owners 1562