- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 1/26 - Refrigerant piping
Patent holdings for IPC class F24F 1/26
Total number of patents in this class: 107
10-year publication summary
4
|
14
|
11
|
12
|
18
|
16
|
14
|
8
|
9
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
21 |
LG Electronics Inc. | 69257 |
17 |
Samsung Electronics Co., Ltd. | 131630 |
12 |
Daikin Industries, Ltd. | 9495 |
8 |
Fujitsu General Limited | 541 |
4 |
Lennox Industries Inc. | 1088 |
4 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
3 |
PTubes, Inc. | 13 |
3 |
Toshiba Carrier Corporation | 567 |
3 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
3 |
The Yokohama Rubber Co., Ltd. | 3929 |
2 |
Emerson Climate Technologies, Inc. | 308 |
2 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
2 |
Midea Group Co., Ltd. | 4025 |
2 |
Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 143 |
2 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
Alliance for Sustainable Energy, LLC | 698 |
1 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
1 |
Güntner GmbH & Co. KG | 54 |
1 |
Heatcraft Refrigeration Products LLC | 246 |
1 |
Other owners | 14 |