- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 1/18 - Heat exchangers specially adapted for separate outdoor units characterised by their shape
Patent holdings for IPC class F24F 1/18
Total number of patents in this class: 194
10-year publication summary
11
|
20
|
26
|
10
|
25
|
22
|
25
|
11
|
13
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
77 |
Daikin Industries, Ltd. | 9495 |
35 |
Samsung Electronics Co., Ltd. | 131630 |
10 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
6 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
5 |
Haier Smart Home Co., Ltd. | 4882 |
5 |
LG Electronics Inc. | 69257 |
3 |
Panasonic Corporation | 20786 |
3 |
Sharp Kabushiki Kaisha | 18957 |
3 |
Johnson Controls-hitachi Air Conditioning Technology (Hong Kong) Limited, | 43 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
Danfoss Micro Channel Heat Exchanger (Jiaxing) Co. Ltd. | 89 |
2 |
Fujitsu General Limited | 541 |
2 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
2 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
2 |
Midea Group Co., Ltd. | 4025 |
2 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
2 |
Midea Group Wuhan Refrigeration Equipment Co., Ltd. | 55 |
2 |
Yanmar Power Technology Co., Ltd. | 599 |
2 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
2 |
Other owners | 24 |