- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 3/147 - 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 treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidificationAir-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 treatmentApparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification with both heat and humidity transfer between supplied and exhausted air
Patent holdings for IPC class F24F 3/147
Total number of patents in this class: 325
10-year publication summary
44
|
34
|
22
|
29
|
23
|
23
|
15
|
19
|
22
|
9
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nortek Air Solutions Canada, Inc. | 122 |
27 |
Daikin Industries, Ltd. | 10058 |
23 |
Mitsubishi Electric Corporation | 46346 |
19 |
Core Energy Recovery Solutions Inc. | 27 |
12 |
Panasonic Intellectual Property Management Co., Ltd. | 31756 |
8 |
University of Saskatchewan | 479 |
8 |
Zehnder Group International AG | 390 |
8 |
King Fahd University of Petroleum and Minerals | 1259 |
6 |
2ndAir B.V. | 7 |
5 |
Commissariat à l'énergie atomique et aux energies alternatives | 10936 |
4 |
Mayekawa Mfg. Co., Ltd. | 338 |
4 |
Midea Group Co., Ltd. | 4593 |
4 |
NovelAire Technologies, LLC | 9 |
4 |
Taikisha Ltd. | 120 |
4 |
Therma-Stor LLC | 135 |
4 |
Copeland LP | 700 |
4 |
Alliance for Sustainable Energy, LLC | 807 |
3 |
DPoint Technologies Inc. | 7 |
3 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 634 |
3 |
Harvest Air, LLC. | 3 |
3 |
Other owners | 169 |