- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/64 - Electronic processing using pre-stored data
Patent holdings for IPC class F24F 11/64
Total number of patents in this class: 4079
10-year publication summary
19
|
49
|
53
|
119
|
295
|
451
|
483
|
494
|
558
|
153
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Haier Smart Home Co., Ltd. | 4882 |
728 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
704 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
631 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
173 |
Mitsubishi Electric Corporation | 43934 |
165 |
Midea Group Co., Ltd. | 4025 |
108 |
Daikin Industries, Ltd. | 9495 |
102 |
Tyco Fire & Security GmbH | 2172 |
96 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
94 |
Lennox Industries Inc. | 1088 |
63 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
60 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
50 |
Samsung Electronics Co., Ltd. | 131630 |
48 |
LG Electronics Inc. | 69257 |
40 |
Carrier Corporation | 4759 |
39 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
34 |
Honeywell International Inc. | 13799 |
33 |
Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 134 |
27 |
Johnson Controls Technology Company | 1522 |
26 |
Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 143 |
26 |
Other owners | 832 |