- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/49 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
Patent holdings for IPC class F24F 11/49
Total number of patents in this class: 772
10-year publication summary
|
2
|
29
|
73
|
98
|
97
|
132
|
97
|
87
|
66
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47511 |
72 |
| Daikin Industries, Ltd. | 10380 |
71 |
| Tyco Fire & Security GmbH | 3534 |
52 |
| Lennox Industries Inc. | 1091 |
37 |
| PassiveLogic, Inc. | 226 |
26 |
| Honeywell International Inc. | 13561 |
25 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2422 |
20 |
| Haier Smart Home Co., Ltd. | 5641 |
20 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1915 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 33375 |
18 |
| Carrier Corporation | 3971 |
17 |
| Fujitsu General Limited | 623 |
15 |
| Midea Group Co., Ltd. | 4811 |
15 |
| Samsung Electronics Co., Ltd. | 152914 |
14 |
| Siemens Industry, Inc. | 1587 |
14 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 733 |
14 |
| Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 145 |
12 |
| LG Electronics Inc. | 74791 |
11 |
| Alarm.com Incorporated | 1010 |
11 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 519 |
11 |
| Other owners | 278 |