- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/00 - Control or safety arrangements
Patent holdings for IPC class F24F 11/00
Total number of patents in this class: 4747
10-year publication summary
|
643
|
591
|
447
|
333
|
251
|
219
|
189
|
168
|
128
|
80
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
179 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2429 |
174 |
| Google LLC | 44540 |
169 |
| Midea Group Co., Ltd. | 5034 |
149 |
| Samsung Electronics Co., Ltd. | 157946 |
139 |
| LG Electronics Inc. | 75818 |
138 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
133 |
| Resideo LLC | 1184 |
124 |
| Lennox Industries Inc. | 1107 |
119 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2091 |
116 |
| Carrier Corporation | 3951 |
97 |
| Honeywell International Inc. | 12772 |
96 |
| Daikin Industries, Ltd. | 10504 |
92 |
| Haier Smart Home Co., Ltd. | 5716 |
92 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
81 |
| Tyco Fire & Security GmbH | 3652 |
80 |
| Trane International Inc. | 1229 |
57 |
| Johnson Controls Technology Company | 1383 |
44 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
43 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
43 |
| Other owners | 2582 |