- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/48 - Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring prior to normal operation, e.g. pre-heating or pre-cooling
Patent holdings for IPC class F24F 11/48
Total number of patents in this class: 148
10-year publication summary
|
2
|
1
|
0
|
6
|
19
|
31
|
30
|
34
|
16
|
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 |
36 |
| Daikin Industries, Ltd. | 9495 |
25 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
25 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Tyco Fire & Security GmbH | 2172 |
4 |
| Lennox Industries Inc. | 1088 |
3 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Carrier Corporation | 4759 |
2 |
| Siemens Industry, Inc. | 1417 |
2 |
| Belimo Holding AG | 235 |
2 |
| Fujitsu General Limited | 541 |
2 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
2 |
| Sharp Kabushiki Kaisha | 18957 |
2 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
2 |
| MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd. | 33 |
2 |
| NEXTracker LLC | 189 |
2 |
| TWG Supply, LLC | 2 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Other owners | 24 |