- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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: 360
10-year publication summary
|
34
|
31
|
44
|
44
|
46
|
60
|
35
|
28
|
26
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
26 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
25 |
| Trane International Inc. | 1123 |
20 |
| Daikin Industries, Ltd. | 9495 |
18 |
| Carrier Corporation | 4759 |
18 |
| Mitsubishi Electric Corporation | 43934 |
17 |
| Tyco Fire & Security GmbH | 2172 |
11 |
| Johnson Controls Technology Company | 1522 |
9 |
| LG Electronics Inc. | 69257 |
8 |
| Enverid Systems, Inc. | 80 |
7 |
| MJC, Inc. | 17 |
7 |
| FH Alliance Inc. | 17 |
7 |
| Belimo Holding AG | 235 |
5 |
| Lennox Industries Inc. | 1088 |
5 |
| Omachron Intellectual Property Inc. | 869 |
5 |
| Rheem Manufacturing Company | 861 |
5 |
| Honeywell International Inc. | 13799 |
4 |
| Google LLC | 38759 |
4 |
| Rheia, LLC | 14 |
4 |
| NEC Corporation | 32703 |
3 |
| Other owners | 152 |