- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/34 - Protection means therefor, e.g. covers for refrigerant pipes
Patent holdings for IPC class F24F 1/34
Total number of patents in this class: 88
10-year publication summary
|
8
|
3
|
12
|
8
|
10
|
5
|
7
|
10
|
6
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10499 |
18 |
| Mitsubishi Electric Corporation | 48018 |
14 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2089 |
9 |
| Samsung Electronics Co., Ltd. | 157719 |
7 |
| Midea Group Co., Ltd. | 5028 |
6 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
4 |
| Fujitsu General Limited | 596 |
3 |
| PTubes, Inc. | 17 |
3 |
| Treau, Inc. | 25 |
3 |
| Wuhu Maty Air-Conditioning Equipment Co., Ltd. | 81 |
3 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
2 |
| LG Electronics Inc. | 75694 |
1 |
| NEC Corporation | 37004 |
1 |
| Daikin Europe N.v. | 218 |
1 |
| Lennox Industries Inc. | 1105 |
1 |
| Red Rock Industries Pty Ltd | 1 |
1 |
| Showa Freezing Plant Co., Ltd. | 7 |
1 |
| Trane International Inc. | 1228 |
1 |
| Unex Aparellaje Electrico, S.L. | 39 |
1 |
| Zynon Technologies, LLC | 30 |
1 |
| Other owners | 7 |