- 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: 1086
10-year publication summary
|
105
|
100
|
83
|
95
|
77
|
90
|
55
|
46
|
33
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18957 |
122 |
| Mitsubishi Electric Corporation | 43934 |
55 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
53 |
| Daikin Industries, Ltd. | 9495 |
34 |
| Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
30 |
| Panasonic Corporation | 20786 |
22 |
| Carrier Corporation | 4759 |
13 |
| Trane International Inc. | 1123 |
13 |
| LG Electronics Inc. | 69257 |
12 |
| Lennox Industries Inc. | 1088 |
8 |
| Oy Halton Group Ltd. | 147 |
8 |
| Broan-NuTone LLC | 459 |
7 |
| Fujitsu General Limited | 541 |
7 |
| QC Manufacturing, Inc. | 27 |
7 |
| Ademco Inc. | 1374 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
6 |
| Hitachi, Ltd. | 16452 |
6 |
| Denso Corporation | 23338 |
6 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
6 |
| Honeywell International Inc. | 13799 |
5 |
| Other owners | 659 |