- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 1/30 - Refrigerant piping for use inside the separate outdoor units
Patent holdings for IPC class F24F 1/30
Total number of patents in this class: 75
10-year publication summary
|
3
|
6
|
4
|
2
|
16
|
14
|
10
|
9
|
5
|
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 |
26 |
| Mitsubishi Electric Corporation | 43934 |
25 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| LG Electronics Inc. | 69257 |
3 |
| Toshiba Carrier Corporation | 567 |
2 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
2 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
2 |
| Honeywell International Inc. | 13799 |
1 |
| Sharp Corporation | 10015 |
1 |
| Tyco Fire & Security GmbH | 2172 |
1 |
| MITSUBISHI ELECTRIC HYDRONICS & IT COOLING SYSTEMS S.p.A. | 29 |
1 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 316 |
1 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
1 |
| Other owners | 0 |