- 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: 760
10-year publication summary
|
14
|
21
|
48
|
78
|
90
|
98
|
95
|
102
|
101
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47240 |
134 |
| Daikin Industries, Ltd. | 10200 |
128 |
| Lennox Industries Inc. | 1106 |
43 |
| Daikin Europe N.v. | 213 |
28 |
| Carrier Corporation | 3988 |
28 |
| Haier Smart Home Co., Ltd. | 5571 |
28 |
| Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 142 |
27 |
| Tyco Fire & Security GmbH | 3490 |
27 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2399 |
25 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1892 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 32795 |
19 |
| Midea Group Co., Ltd. | 4710 |
17 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1936 |
15 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 933 |
14 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 702 |
10 |
| Emerson Climate Technologies, Inc. | 297 |
9 |
| Fujitsu General Limited | 627 |
9 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 232 |
9 |
| Trane International Inc. | 1206 |
9 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 518 |
9 |
| Other owners | 150 |