- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 140/50 - Load
Patent holdings for IPC class F24F 140/50
Total number of patents in this class: 370
10-year publication summary
|
18
|
25
|
39
|
65
|
56
|
53
|
37
|
22
|
23
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tyco Fire & Security GmbH | 3296 |
44 |
| Daikin Industries, Ltd. | 9836 |
29 |
| Mitsubishi Electric Corporation | 44794 |
27 |
| Lennox Industries Inc. | 1099 |
26 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2335 |
10 |
| Copeland LP | 674 |
10 |
| Carrier Corporation | 4449 |
8 |
| Johnson Controls Technology Company | 1480 |
8 |
| Trane International Inc. | 1149 |
8 |
| Haier Smart Home Co., Ltd. | 5299 |
8 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1830 |
8 |
| Samsung Electronics Co., Ltd. | 138729 |
7 |
| Honeywell International Inc. | 14012 |
7 |
| Google LLC | 40800 |
7 |
| GREE Electric Appliances, Inc. of Zhuhai | 3151 |
7 |
| LG Electronics Inc. | 70957 |
6 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 546 |
6 |
| Clean Power Research, L.L.C. | 108 |
5 |
| Johnson Solid State, LLC | 10 |
5 |
| Inertech IP LLC | 97 |
4 |
| Other owners | 130 |