- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 3/052 - Multiple duct systems, e.g. systems in which hot and cold air are supplied by separate circuits from the central station to mixing chambers in the spaces to be conditioned
Patent holdings for IPC class F24F 3/052
Total number of patents in this class: 54
10-year publication summary
|
4
|
9
|
2
|
11
|
12
|
3
|
3
|
4
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tyco Fire & Security GmbH | 3166 |
7 |
| Rheem Manufacturing Company | 975 |
6 |
| FH Alliance Inc. | 19 |
5 |
| SMAC Technologies Pty Ltd | 7 |
4 |
| Daikin Industries, Ltd. | 9971 |
3 |
| Rite-Hite Holding Corporation | 645 |
3 |
| Johnson Controls Light Commercial IP GmbH | 306 |
3 |
| MJC, Inc. | 17 |
2 |
| Ademco Inc. | 1254 |
2 |
| Agricultra Advancements Inc. | 8 |
2 |
| Denso Thermal Systems S.P.A. | 44 |
1 |
| Carrier Corporation | 4358 |
1 |
| University of Southern California | 2109 |
1 |
| Cambridge Filter Japan, Ltd. | 8 |
1 |
| Hanon Systems | 1906 |
1 |
| John Chris Karamanos | 3 |
1 |
| Kondoh Industries, Ltd. | 13 |
1 |
| Munters Corporation | 128 |
1 |
| Schneider Electric Industries SAS | 1476 |
1 |
| Scientific Environmental Design, Inc. | 6 |
1 |
| Other owners | 7 |