- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 1/56 - Casing or covers of separate outdoor units, e.g. fan guards
Patent holdings for IPC class F24F 1/56
Total number of patents in this class: 341
10-year publication summary
16
|
25
|
36
|
30
|
48
|
44
|
41
|
18
|
45
|
10
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
110 |
Daikin Industries, Ltd. | 9495 |
38 |
Samsung Electronics Co., Ltd. | 131630 |
29 |
LG Electronics Inc. | 69257 |
17 |
Midea Group Co., Ltd. | 4025 |
11 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
9 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
8 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
8 |
Nidec Techno Motor Corporation | 37 |
7 |
Fujitsu General Limited | 541 |
6 |
Haier Smart Home Co., Ltd. | 4882 |
6 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
5 |
Sharp Kabushiki Kaisha | 18957 |
5 |
Daikin Research & Development Malaysia Sdn. Bhd. | 37 |
5 |
Daikin Europe N.v. | 171 |
4 |
BDR Thermea Group B.V. | 83 |
4 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
4 |
Lennox Industries Inc. | 1088 |
4 |
Rheem Manufacturing Company | 861 |
4 |
Toshiba Carrier Corporation | 567 |
4 |
Other owners | 53 |