- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/12 - Vibration or noise prevention therefor
Patent holdings for IPC class F24F 1/12
Total number of patents in this class: 157
10-year publication summary
|
11
|
11
|
17
|
15
|
17
|
12
|
14
|
9
|
13
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
37 |
| Daikin Industries, Ltd. | 10499 |
29 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 975 |
7 |
| Samsung Electronics Co., Ltd. | 157719 |
6 |
| LG Electronics Inc. | 75694 |
4 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2089 |
4 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
4 |
| Trane International Inc. | 1228 |
4 |
| Haier Smart Home Co., Ltd. | 5712 |
4 |
| Daikin Europe N.v. | 218 |
3 |
| Fujitsu General Limited | 596 |
3 |
| Midea Group Co., Ltd. | 5028 |
3 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2428 |
3 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 266 |
3 |
| Rheem Manufacturing Company | 1019 |
3 |
| Toshiba Carrier Corporation | 473 |
3 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 340 |
3 |
| Coway Co., Ltd. | 788 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
2 |
| Hitachi Power Semiconductor Device, Ltd. | 115 |
2 |
| Other owners | 28 |