- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse 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: 268
10-year publication summary
|
46
|
22
|
6
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48146 |
65 |
| Daikin Industries, Ltd. | 10513 |
35 |
| Panasonic Intellectual Property Management Co., Ltd. | 34145 |
10 |
| Panasonic Corporation | 18896 |
9 |
| Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
5 |
| Fujitsu Limited | 16860 |
4 |
| Hitachi, Ltd. | 16157 |
4 |
| Lennox Industries Inc. | 1112 |
4 |
| Sharp Kabushiki Kaisha | 18520 |
4 |
| NEC Corporation | 37135 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9161 |
3 |
| Carrier Corporation | 3949 |
3 |
| Broan-NuTone LLC | 464 |
3 |
| Lindab AB | 131 |
3 |
| TPI Corporation | 44 |
3 |
| Trane International Inc. | 1230 |
3 |
| Tyco Fire & Security GmbH | 3663 |
3 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 513 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6167 |
3 |
| Temet Oy | 8 |
3 |
| Other owners | 95 |