- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 3/044 - Systems in which all treatment is given in the central station, i.e. all-air systems
Patent holdings for IPC class F24F 3/044
Total number of patents in this class: 399
10-year publication summary
|
44
|
44
|
46
|
60
|
36
|
30
|
31
|
14
|
32
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
32 |
| Daikin Industries, Ltd. | 10502 |
23 |
| Trane International Inc. | 1233 |
21 |
| Mitsubishi Electric Corporation | 48172 |
18 |
| Johnson Controls Light Commercial IP GmbH | 372 |
18 |
| Carrier Corporation | 3947 |
17 |
| Tyco Fire & Security GmbH | 3672 |
17 |
| LG Electronics Inc. | 75855 |
10 |
| Enverid Systems, Inc. | 80 |
8 |
| MJC, Inc. | 18 |
8 |
| Omachron Intellectual Property Inc. | 970 |
8 |
| FH Alliance Inc. | 20 |
8 |
| Johnson Controls Technology Company | 1377 |
7 |
| Rheem Manufacturing Company | 1026 |
6 |
| Belimo Holding AG | 290 |
5 |
| Lennox Industries Inc. | 1112 |
5 |
| Rheia, LLC | 15 |
5 |
| Siemens Industry, Inc. | 1585 |
4 |
| Seeley International Pty Ltd | 75 |
4 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 513 |
4 |
| Other owners | 171 |