- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse 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: 173
10-year publication summary
|
0
|
6
|
19
|
31
|
30
|
34
|
16
|
11
|
14
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48460 |
38 |
| Daikin Industries, Ltd. | 10540 |
25 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 511 |
25 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 994 |
9 |
| Tyco Fire & Security GmbH | 3687 |
6 |
| Samsung Electronics Co., Ltd. | 159473 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
5 |
| Lennox Industries Inc. | 1130 |
5 |
| Siemens Industry, Inc. | 1594 |
3 |
| Nextpower, L.L.C. | 575 |
3 |
| Carrier Corporation | 3960 |
2 |
| Belimo Holding AG | 294 |
2 |
| Fujitsu General Limited | 607 |
2 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 775 |
2 |
| ICF International, Inc. | 69 |
2 |
| Trane International Inc. | 1245 |
2 |
| Sharp Kabushiki Kaisha | 18480 |
2 |
| MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd. | 70 |
2 |
| TWG Supply, LLC | 2 |
2 |
| Apple Inc. | 59414 |
1 |
| Other owners | 30 |