- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/85 - Control systems characterised by their outputs; Constructional 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: 162
10-year publication summary
|
9
|
8
|
20
|
25
|
19
|
18
|
20
|
9
|
19
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
23 |
| Lennox Industries Inc. | 1088 |
12 |
| Trane International Inc. | 1123 |
8 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
8 |
| Daikin Industries, Ltd. | 9495 |
7 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
6 |
| Midea Group Co., Ltd. | 4025 |
6 |
| Tyco Fire & Security GmbH | 2172 |
5 |
| Carrier Corporation | 4759 |
4 |
| Fimcim S.p.A. | 27 |
3 |
| Haier US Appliance Solutions, Inc. | 3178 |
3 |
| Intelligent Growth Solutions Limited | 24 |
3 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
3 |
| Copeland LP | 656 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| LG Electronics Inc. | 69257 |
2 |
| NTT Facilities, Inc. | 40 |
2 |
| Azbil Corporation | 486 |
2 |
| Belimo Holding AG | 235 |
2 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
2 |
| Other owners | 56 |