- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 120/20 - Feedback from users
Patent holdings for IPC class F24F 120/20
Total number of patents in this class: 350
10-year publication summary
|
28
|
39
|
41
|
40
|
51
|
20
|
28
|
25
|
17
|
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 | 3510 |
29 |
| Samsung Electronics Co., Ltd. | 151726 |
28 |
| Mitsubishi Electric Corporation | 47380 |
26 |
| Resideo LLC | 1319 |
16 |
| Google LLC | 43466 |
15 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2408 |
13 |
| Haier Smart Home Co., Ltd. | 5614 |
13 |
| Carrier Corporation | 3976 |
12 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1901 |
11 |
| LG Electronics Inc. | 74447 |
9 |
| Daikin Industries, Ltd. | 10223 |
9 |
| Johnson Controls Technology Company | 1403 |
9 |
| Trane International Inc. | 1208 |
9 |
| Lennox Industries Inc. | 1090 |
8 |
| Honeywell International Inc. | 13564 |
7 |
| EcoFactor, Inc. | 46 |
4 |
| Generac Power Systems, Inc. | 379 |
4 |
| PassiveLogic, Inc. | 226 |
4 |
| Copeland Comfort Control LP | 281 |
4 |
| Johnson Controls Light Commercial IP GmbH | 370 |
4 |
| Other owners | 116 |