- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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: 4546
10-year publication summary
|
628
|
599
|
643
|
591
|
447
|
331
|
246
|
207
|
171
|
43
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 38759 |
185 |
| Mitsubishi Electric Corporation | 43934 |
178 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
167 |
| Midea Group Co., Ltd. | 4025 |
146 |
| LG Electronics Inc. | 69257 |
136 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
133 |
| Ademco Inc. | 1374 |
121 |
| Lennox Industries Inc. | 1088 |
116 |
| Samsung Electronics Co., Ltd. | 131630 |
111 |
| Honeywell International Inc. | 13799 |
103 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
102 |
| Carrier Corporation | 4759 |
94 |
| Daikin Industries, Ltd. | 9495 |
88 |
| Haier Smart Home Co., Ltd. | 4882 |
85 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
74 |
| Trane International Inc. | 1123 |
61 |
| Tyco Fire & Security GmbH | 2172 |
46 |
| Johnson Controls Technology Company | 1522 |
43 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
42 |
| Koninklijke Philips N.V. | 22975 |
38 |
| Other owners | 2477 |