- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 1/34 - Protection means therefor, e.g. covers for refrigerant pipes
Patent holdings for IPC class F24F 1/34
Total number of patents in this class: 64
10-year publication summary
3
|
4
|
8
|
3
|
12
|
8
|
10
|
5
|
7
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Daikin Industries, Ltd. | 9495 |
15 |
Mitsubishi Electric Corporation | 43934 |
11 |
Samsung Electronics Co., Ltd. | 131630 |
6 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
6 |
Midea Group Co., Ltd. | 4025 |
4 |
Fujitsu General Limited | 541 |
3 |
Treau, Inc. | 19 |
3 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
2 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
2 |
PTubes, Inc. | 13 |
2 |
NEC Corporation | 32703 |
1 |
Alliance for Sustainable Energy, LLC | 698 |
1 |
Lennox Industries Inc. | 1088 |
1 |
Red Rock Industries Pty Ltd | 1 |
1 |
Trane International Inc. | 1123 |
1 |
Unex Aparellaje Electrico, S.L. | 33 |
1 |
Zynon Technologies, LLC | 24 |
1 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
1 |
Sharp Kabushiki Kaisha | 18957 |
1 |
Wuhu Maty Air-Conditioning Equipment Co., Ltd. | 35 |
1 |
Other owners | 0 |