- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 7/06 - Ventilation with ducting systems with forced air circulation, e.g. by fan
Patent holdings for IPC class F24F 7/06
Total number of patents in this class: 1045
10-year publication summary
|
71
|
82
|
84
|
86
|
97
|
98
|
76
|
103
|
80
|
33
|
| 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 |
41 |
| Panasonic Corporation | 20786 |
33 |
| Samsung Electronics Co., Ltd. | 131630 |
28 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
27 |
| Broan-NuTone LLC | 459 |
26 |
| Mitsubishi Electric Corporation | 43934 |
24 |
| Daikin Industries, Ltd. | 9495 |
21 |
| Koken Ltd. | 64 |
18 |
| Panasonic Ecology Systems Guangdong Co., Ltd. | 112 |
18 |
| LG Electronics Inc. | 69257 |
14 |
| Fuji Industrial Co., Ltd. | 25 |
12 |
| Trane International Inc. | 1123 |
12 |
| Airius IP Holdings, LLC | 62 |
11 |
| QC Manufacturing, Inc. | 27 |
11 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
11 |
| NEC Corporation | 32703 |
10 |
| Fujitsu Limited | 19265 |
10 |
| Lennox Industries Inc. | 1088 |
10 |
| Carrier Corporation | 4759 |
9 |
| C'stec Corporation | 12 |
9 |
| Other owners | 690 |