- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/61 - Control or safety arrangements characterised by user interfaces or communication using timers
Patent holdings for IPC class F24F 11/61
Total number of patents in this class: 1232
10-year publication summary
6
|
25
|
39
|
54
|
91
|
116
|
110
|
153
|
162
|
40
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
221 |
Haier Smart Home Co., Ltd. | 4882 |
221 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
191 |
Mitsubishi Electric Corporation | 43934 |
44 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
44 |
Midea Group Co., Ltd. | 4025 |
32 |
Daikin Industries, Ltd. | 9495 |
28 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
27 |
Samsung Electronics Co., Ltd. | 131630 |
26 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
24 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
23 |
Tyco Fire & Security GmbH | 2172 |
21 |
Google LLC | 38759 |
15 |
Lennox Industries Inc. | 1088 |
14 |
Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 143 |
14 |
Ademco Inc. | 1374 |
13 |
LG Electronics Inc. | 69257 |
12 |
Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 116 |
11 |
Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 134 |
11 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
10 |
Other owners | 230 |