- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/37 - Resuming operation, e.g. after power outagesEmergency starting
Patent holdings for IPC class F24F 11/37
Total number of patents in this class: 58
10-year publication summary
|
0
|
6
|
4
|
3
|
5
|
9
|
7
|
9
|
3
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tyco Fire & Security GmbH | 3574 |
7 |
| Mitsubishi Electric Corporation | 47602 |
5 |
| Daikin Industries, Ltd. | 10384 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2423 |
4 |
| Haier Smart Home Co., Ltd. | 5651 |
4 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1916 |
4 |
| Johnson Controls Light Commercial IP GmbH | 370 |
4 |
| Alarm.com Incorporated | 1009 |
3 |
| Toyota Motor Corporation | 34633 |
1 |
| Honeywell International Inc. | 12786 |
1 |
| Huawei Technologies Co., Ltd. | 120098 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2177 |
1 |
| Carrier Corporation | 3964 |
1 |
| Danfoss (Tianjin) Ltd. | 107 |
1 |
| Fujikoki Corporation | 404 |
1 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 742 |
1 |
| Google LLC | 43789 |
1 |
| GREE Electric Appliances, Inc. of Zhuhai | 3278 |
1 |
| Hangzhou Sanhua Research Institute Co., Ltd. | 178 |
1 |
| Other owners | 11 |