- 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: 270
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 | 47556 |
65 |
| Daikin Industries, Ltd. | 10375 |
35 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
10 |
| Panasonic Corporation | 19680 |
9 |
| Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
5 |
| Fujitsu Limited | 16989 |
4 |
| Hitachi, Ltd. | 15881 |
4 |
| Lennox Industries Inc. | 1083 |
4 |
| Sharp Kabushiki Kaisha | 18630 |
4 |
| NEC Corporation | 36611 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9016 |
3 |
| Carrier Corporation | 3968 |
3 |
| Broan-NuTone LLC | 465 |
3 |
| Lindab AB | 130 |
3 |
| TPI Corporation | 43 |
3 |
| Trane International Inc. | 1214 |
3 |
| Tyco Fire & Security GmbH | 3533 |
3 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 519 |
3 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6207 |
3 |
| Temet Oy | 8 |
3 |
| Other owners | 97 |