- 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 |