- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 7/00 - Ventilation
Patent holdings for IPC class F24F 7/00
Total number of patents in this class: 1079
10-year publication summary
|
100
|
83
|
95
|
77
|
91
|
55
|
53
|
36
|
30
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18873 |
120 |
| Mitsubishi Electric Corporation | 44678 |
55 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
53 |
| Daikin Industries, Ltd. | 9766 |
33 |
| Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
30 |
| Panasonic Corporation | 20339 |
22 |
| LG Electronics Inc. | 70831 |
12 |
| Trane International Inc. | 1147 |
11 |
| Carrier Corporation | 4443 |
8 |
| Lennox Industries Inc. | 1096 |
8 |
| Oy Halton Group Ltd. | 135 |
8 |
| QC Manufacturing, Inc. | 28 |
8 |
| Tyco Fire & Security GmbH | 3281 |
8 |
| Broan-NuTone LLC | 460 |
7 |
| Fujitsu General Limited | 579 |
7 |
| Samsung Electronics Co., Ltd. | 138320 |
6 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1400 |
6 |
| Honeywell International Inc. | 14009 |
5 |
| Hitachi, Ltd. | 15177 |
5 |
| Denso Corporation | 23692 |
5 |
| Other owners | 662 |