- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 3/153 - 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 treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
Patent holdings for IPC class F24F 3/153
Total number of patents in this class: 265
10-year publication summary
11
|
15
|
25
|
39
|
44
|
21
|
25
|
31
|
27
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Johnson Controls Tyco IP Holdings LLP | 1584 |
24 |
Therma-Stor LLC | 134 |
18 |
Lennox Industries Inc. | 1088 |
13 |
Heds Holdings LLC | 13 |
11 |
Mitsubishi Electric Corporation | 43934 |
10 |
Daikin Industries, Ltd. | 9495 |
10 |
LG Electronics Inc. | 69257 |
9 |
Kyungdong Navien Co., Ltd. | 566 |
8 |
Carrier Corporation | 4759 |
7 |
Trane International Inc. | 1123 |
6 |
Daikin Applied Americas Inc. | 83 |
4 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
4 |
Shinwa Controls Co., Ltd. | 153 |
4 |
Haier Smart Home Co., Ltd. | 4882 |
4 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
4 |
Samsung Electronics Co., Ltd. | 131630 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
Aperia Technologies, Inc. | 42 |
3 |
Haier US Appliance Solutions, Inc. | 3178 |
3 |
Kentuckiana Curb Co., Inc | 17 |
3 |
Other owners | 114 |