- 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: 842
10-year publication summary
|
15
|
21
|
50
|
81
|
92
|
103
|
99
|
103
|
115
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
139 |
| Daikin Industries, Ltd. | 10504 |
138 |
| Lennox Industries Inc. | 1107 |
53 |
| Haier Smart Home Co., Ltd. | 5716 |
32 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2429 |
29 |
| Daikin Europe N.v. | 218 |
28 |
| Carrier Corporation | 3951 |
28 |
| Tyco Fire & Security GmbH | 3652 |
28 |
| Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 144 |
27 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
26 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
22 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 976 |
19 |
| Midea Group Co., Ltd. | 5034 |
18 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2091 |
17 |
| Fujitsu General Limited | 597 |
13 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
12 |
| Samsung Electronics Co., Ltd. | 157946 |
10 |
| Emerson Climate Technologies, Inc. | 293 |
9 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 266 |
9 |
| Trane International Inc. | 1229 |
9 |
| Other owners | 176 |