- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 3/04 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the pressure or velocity of the primary air operating with high pressure or high velocity
Patent holdings for IPC class F24F 3/04
Total number of patents in this class: 18
10-year publication summary
|
2
|
1
|
2
|
1
|
2
|
1
|
3
|
2
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FH Alliance Inc. | 17 |
2 |
| Work Air Technologies Pty Ltd | 9 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
| Hamilton Sundstrand Corporation | 4525 |
1 |
| Carrier Corporation | 4759 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
| Hewlett Packard Enterprise Development LP | 10702 |
1 |
| Bergstein, David M. | 2 |
1 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
1 |
| Metran Co., Ltd. | 49 |
1 |
| Suarez Corporation Industries | 12 |
1 |
| TPI Corporation | 41 |
1 |
| Wagner Spraytech (UK) Limited | 8 |
1 |
| Fabrum Holdings Limited | 1 |
1 |
| Fabrum IP Holdings Limited | 4 |
1 |
| Other owners | 0 |