• All sections
  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
  • F24F 3/16 - 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 purification, e.g. by filteringAir-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 sterilisationAir-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 ozonisation

Patent holdings for IPC class F24F 3/16

Total number of patents in this class: 1942

10-year publication summary

264
274
278
250
266
166
65
51
29
26
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
75855
142
Samsung Electronics Co., Ltd.
158442
47
Qingdao Haier Air Conditioner General Corp.,ltd
2433
41
GD Midea Air-Conditioning Equipment Co., Ltd.
2096
37
Koninklijke Philips N.V.
25938
31
Coway Co., Ltd.
791
28
Midea Group Co., Ltd.
5052
25
3m Innovative Properties Company
17458
20
Daikin Industries, Ltd.
10502
19
Haier Smart Home Co., Ltd.
5728
19
Seoul Viosys Co., Ltd.
1565
17
Mitsubishi Electric Corporation
48172
15
Camfil AB
236
15
Enverid Systems, Inc.
80
15
Dyson Technology Limited
4016
14
GREE Electric Appliances, Inc. of Zhuhai
3317
14
Global Plasma Solutions, Inc.
75
13
Blueair AB
118
12
Versuni Holding B.V.
1007
12
Qingdao Haier Air-Conditioning Electronic Co., Ltd.
1926
11
Other owners 1395