- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 12/00 - Use of energy recovery systems in air conditioning, ventilation or screening
Patent holdings for IPC class F24F 12/00
Total number of patents in this class: 1150
10-year publication summary
|
94
|
90
|
90
|
69
|
91
|
116
|
106
|
89
|
97
|
47
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nortek Air Solutions Canada, Inc. | 125 |
75 |
| LG Electronics Inc. | 75807 |
41 |
| Samsung Electronics Co., Ltd. | 158337 |
39 |
| Mitsubishi Electric Corporation | 48146 |
34 |
| Zehnder Group International AG | 397 |
28 |
| Carrier Corporation | 3949 |
22 |
| Daikin Industries, Ltd. | 10513 |
19 |
| Lennox Industries Inc. | 1112 |
18 |
| Venmar CES, Inc. | 19 |
14 |
| Broan-NuTone LLC | 464 |
13 |
| Core Energy Recovery Solutions Inc. | 26 |
12 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2429 |
11 |
| Sano Development Limited | 56 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 34145 |
10 |
| Tyco Fire & Security GmbH | 3663 |
10 |
| Haier Smart Home Co., Ltd. | 5722 |
10 |
| Panasonic Ecology Systems Guangdong Co., Ltd. | 111 |
9 |
| Trane International Inc. | 1230 |
9 |
| Fläktgroup Sweden AB | 97 |
9 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
9 |
| Other owners | 747 |