- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 140/50 - Load
Patent holdings for IPC class F24F 140/50
Total number of patents in this class: 444
10-year publication summary
|
25
|
39
|
65
|
56
|
59
|
45
|
27
|
28
|
28
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tyco Fire & Security GmbH | 3672 |
48 |
| Daikin Industries, Ltd. | 10509 |
39 |
| Lennox Industries Inc. | 1115 |
30 |
| Mitsubishi Electric Corporation | 48287 |
28 |
| Carrier Corporation | 3954 |
12 |
| PassiveLogic, Inc. | 247 |
11 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2435 |
10 |
| Copeland LP | 710 |
10 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 769 |
9 |
| Google LLC | 44743 |
9 |
| Trane International Inc. | 1238 |
9 |
| Samsung Electronics Co., Ltd. | 158842 |
8 |
| Honeywell International Inc. | 12770 |
8 |
| Johnson Controls Technology Company | 1374 |
8 |
| Haier Smart Home Co., Ltd. | 5735 |
8 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1928 |
8 |
| GREE Electric Appliances, Inc. of Zhuhai | 3320 |
7 |
| LG Electronics Inc. | 75973 |
6 |
| Midea Group Co., Ltd. | 5070 |
6 |
| Clean Power Research, L.L.C. | 115 |
5 |
| Other owners | 165 |