- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/85 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
Patent holdings for IPC class F24F 11/85
Total number of patents in this class: 179
10-year publication summary
|
20
|
25
|
19
|
18
|
18
|
10
|
19
|
12
|
8
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47556 |
23 |
| Lennox Industries Inc. | 1083 |
12 |
| Tyco Fire & Security GmbH | 3533 |
11 |
| Daikin Industries, Ltd. | 10375 |
8 |
| Trane International Inc. | 1214 |
8 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 741 |
7 |
| Midea Group Co., Ltd. | 4833 |
6 |
| Carrier Corporation | 3968 |
4 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2001 |
3 |
| Haier US Appliance Solutions, Inc. | 3971 |
3 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2422 |
3 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 959 |
3 |
| Grundfos Holding A/S | 592 |
3 |
| Copeland LP | 690 |
3 |
| Heds Holdings LLC | 19 |
3 |
| CIMBERIO HOLDING S.r.l. | 22 |
3 |
| Johnson Controls Light Commercial IP GmbH | 370 |
3 |
| Samsung Electronics Co., Ltd. | 153573 |
2 |
| LG Electronics Inc. | 74953 |
2 |
| NTT Facilities, Inc. | 40 |
2 |
| Other owners | 67 |