- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/38 - Failure diagnosis
Patent holdings for IPC class F24F 11/38
Total number of patents in this class: 544
10-year publication summary
8
|
3
|
6
|
25
|
78
|
66
|
107
|
99
|
82
|
34
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
63 |
Lennox Industries Inc. | 1088 |
61 |
Daikin Industries, Ltd. | 9495 |
38 |
Haier Smart Home Co., Ltd. | 4882 |
29 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
26 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
26 |
Tyco Fire & Security GmbH | 2172 |
19 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
14 |
Honeywell International Inc. | 13799 |
13 |
Carrier Corporation | 4759 |
13 |
Samsung Electronics Co., Ltd. | 131630 |
10 |
Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 116 |
9 |
LG Electronics Inc. | 69257 |
8 |
Johnson Controls Technology Company | 1522 |
8 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
8 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
8 |
Trane International Inc. | 1123 |
8 |
Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 134 |
7 |
Schneider Electric USA, Inc. | 1192 |
7 |
Alarm.com Incorporated | 931 |
6 |
Other owners | 163 |