- 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: 397
10-year publication summary
|
41
|
41
|
45
|
55
|
36
|
29
|
28
|
14
|
31
|
2
|
| 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. | 33462 |
32 |
| Daikin Industries, Ltd. | 10375 |
23 |
| Trane International Inc. | 1214 |
21 |
| Mitsubishi Electric Corporation | 47556 |
18 |
| Johnson Controls Light Commercial IP GmbH | 370 |
18 |
| Carrier Corporation | 3968 |
17 |
| Tyco Fire & Security GmbH | 3533 |
17 |
| LG Electronics Inc. | 74953 |
10 |
| Enverid Systems, Inc. | 80 |
8 |
| MJC, Inc. | 18 |
8 |
| Omachron Intellectual Property Inc. | 953 |
8 |
| FH Alliance Inc. | 20 |
8 |
| Johnson Controls Technology Company | 1397 |
7 |
| Rheem Manufacturing Company | 991 |
6 |
| Belimo Holding AG | 275 |
5 |
| Lennox Industries Inc. | 1083 |
5 |
| Rheia, LLC | 15 |
5 |
| Siemens Industry, Inc. | 1585 |
4 |
| Seeley International Pty Ltd | 75 |
4 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 519 |
4 |
| Other owners | 169 |