- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/36 - Responding to malfunctions or emergencies to leakage of heat-exchange fluid
Patent holdings for IPC class F24F 11/36
Total number of patents in this class: 706
10-year publication summary
|
7
|
14
|
21
|
48
|
78
|
90
|
98
|
95
|
102
|
66
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 10031 |
127 |
| Mitsubishi Electric Corporation | 46249 |
122 |
| Lennox Industries Inc. | 1129 |
38 |
| Carrier Corporation | 4292 |
27 |
| Tyco Fire & Security GmbH | 3196 |
27 |
| Haier Smart Home Co., Ltd. | 5475 |
27 |
| Daikin Europe N.v. | 206 |
26 |
| Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 140 |
26 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2372 |
24 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1865 |
21 |
| Midea Group Co., Ltd. | 4564 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 31598 |
15 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1830 |
13 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 889 |
13 |
| Emerson Climate Technologies, Inc. | 302 |
9 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 632 |
9 |
| Toshiba Carrier Corporation | 496 |
9 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 513 |
9 |
| Samsung Electronics Co., Ltd. | 147003 |
8 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 208 |
8 |
| Other owners | 132 |