- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 140/40 - Damper positions, e.g. open or closed
Patent holdings for IPC class F24F 140/40
Total number of patents in this class: 186
10-year publication summary
|
8
|
10
|
24
|
26
|
26
|
24
|
25
|
14
|
10
|
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 | 3165 |
22 |
| BEST Technologies, Inc. | 29 |
16 |
| Lennox Industries Inc. | 1107 |
15 |
| Honeywell International Inc. | 13564 |
11 |
| Siemens Industry, Inc. | 1440 |
10 |
| Air Distribution Technologies IP, LLC | 166 |
8 |
| Daikin Industries, Ltd. | 9957 |
5 |
| Ademco Inc. | 1251 |
5 |
| Carrier Corporation | 4356 |
4 |
| Arzel Zoning Technology, Inc. | 29 |
4 |
| Rheem Manufacturing Company | 970 |
4 |
| Trane International Inc. | 1175 |
4 |
| Johnson Controls Technology Company | 1454 |
3 |
| Broan-NuTone LLC | 458 |
3 |
| Goodman Global Group, Inc | 35 |
3 |
| Johnson Controls Light Commercial IP GmbH | 306 |
3 |
| LG Electronics Inc. | 72473 |
2 |
| DENSO International America, Inc. | 610 |
2 |
| Daikin Europe N.v. | 206 |
2 |
| Andritz Inc. | 333 |
2 |
| Other owners | 58 |