• 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: 2365

10-year publication summary

216
219
224
188
206
213
164
154
160
46
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Daikin Industries, Ltd.
10393
111
LG Electronics Inc.
75045
94
Mitsubishi Electric Corporation
47625
64
GD Midea Air-Conditioning Equipment Co., Ltd.
2028
59
Samsung Electronics Co., Ltd.
154120
51
Therma-Stor LLC
134
48
Nortek Air Solutions Canada, Inc.
125
41
Copeland LP
694
38
Panasonic Intellectual Property Management Co., Ltd.
33602
34
Midea Group Co., Ltd.
4856
34
Sharp Kabushiki Kaisha
18608
32
Qingdao Haier Air Conditioner General Corp.,ltd
2423
31
Qingdao Haier Air-Conditioning Electronic Co., Ltd.
1916
29
Carrier Corporation
3967
27
Lennox Industries Inc.
1086
27
Haier Smart Home Co., Ltd.
5656
27
Munters Europe AB
66
25
Munters Corporation
126
23
Kyungdong Navien Co., Ltd.
618
22
Trane International Inc.
1216
19
Other owners 1529