- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 8/80 - Self-contained air purifiers
Patent holdings for IPC class F24F 8/80
Total number of patents in this class: 250
10-year publication summary
0
|
0
|
3
|
0
|
1
|
13
|
22
|
71
|
84
|
35
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Electronics Co., Ltd. | 131630 |
30 |
LG Electronics Inc. | 69257 |
21 |
Mitsubishi Electric Corporation | 43934 |
14 |
Daikin Industries, Ltd. | 9495 |
11 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
Coway Co., Ltd. | 649 |
7 |
Microjet Technology Co., Ltd. | 344 |
5 |
Sharp Kabushiki Kaisha | 18957 |
5 |
Chung-Ang University Industry-Academy Cooperation Foundation | 358 |
4 |
Midea Group Co., Ltd. | 4025 |
4 |
Brother Kogyo Kabushikikaisha | 1709 |
4 |
BeiAng Air Tech Ltd. | 11 |
4 |
ETi Solid State Lighting Inc. | 67 |
3 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
3 |
Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
3 |
ETI Solid State Lighting (Zhuhai) Ltd. | 21 |
3 |
Philips Domestic Appliances Holding B.V. | 41 |
3 |
Crawford Global Limited | 13 |
3 |
Aderans Company Limited | 231 |
2 |
Broan-NuTone LLC | 459 |
2 |
Other owners | 111 |