- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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: 537
10-year publication summary
2
|
7
|
15
|
21
|
50
|
81
|
91
|
97
|
95
|
41
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Daikin Industries, Ltd. | 9495 |
118 |
Mitsubishi Electric Corporation | 43934 |
91 |
Lennox Industries Inc. | 1088 |
28 |
Carrier Corporation | 4759 |
27 |
Daikin Europe N.v. | 171 |
20 |
Haier Smart Home Co., Ltd. | 4882 |
20 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
20 |
Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 116 |
19 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
19 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
16 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
10 |
Emerson Climate Technologies, Inc. | 308 |
9 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
9 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
9 |
Copeland LP | 656 |
8 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
7 |
Trane International Inc. | 1123 |
7 |
Tyco Fire & Security GmbH | 2172 |
7 |
BDR Thermea Group B.V. | 83 |
6 |
Midea Group Co., Ltd. | 4025 |
6 |
Other owners | 81 |