- 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 | 48018 |
65 |
| Daikin Industries, Ltd. | 10499 |
35 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
10 |
| Panasonic Corporation | 19019 |
9 |
| Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
5 |
| Fujitsu Limited | 16874 |
4 |
| Hitachi, Ltd. | 16094 |
4 |
| Lennox Industries Inc. | 1105 |
4 |
| Sharp Kabushiki Kaisha | 18523 |
4 |
| NEC Corporation | 37004 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
3 |
| Carrier Corporation | 3955 |
3 |
| Broan-NuTone LLC | 468 |
3 |
| Lindab AB | 131 |
3 |
| TPI Corporation | 42 |
3 |
| Trane International Inc. | 1228 |
3 |
| Tyco Fire & Security GmbH | 3640 |
3 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 521 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6178 |
3 |
| Temet Oy | 8 |
3 |
| Other owners | 95 |