- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/04 - solely for controlling the rate of air-flow
Patent holdings for IPC class F24F 11/04
Total number of patents in this class: 294
10-year publication summary
|
38
|
42
|
46
|
22
|
6
|
1
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
65 |
| Daikin Industries, Ltd. | 9495 |
37 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
10 |
| Google LLC | 38759 |
10 |
| Panasonic Corporation | 20786 |
9 |
| Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
5 |
| LG Electronics Inc. | 69257 |
4 |
| Fujitsu Limited | 19265 |
4 |
| Hitachi, Ltd. | 16452 |
4 |
| Lennox Industries Inc. | 1088 |
4 |
| Lindab AB | 123 |
4 |
| Sharp Kabushiki Kaisha | 18957 |
4 |
| Honeywell International Inc. | 13799 |
3 |
| NEC Corporation | 32703 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Carrier Corporation | 4759 |
3 |
| Broan-NuTone LLC | 459 |
3 |
| TPI Corporation | 41 |
3 |
| Trane International Inc. | 1123 |
3 |
| Tyco Fire & Security GmbH | 2172 |
3 |
| Other owners | 110 |