F24F 11/72
For controlling the supply of treated air
Official title: for controlling the supply of treated air, e.g. its pressure
F24F11/72 (For controlling the supply of treated air) appears on 3,542 US grants and 3,803 published applications in this corpus.
Search patents in F24F- Granted patents
- 3,542
- Published applications
- 3,803
- Assignees
- 1,222
- Inventors
- 7,026
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 32 | 0 |
| 1978 | 27 | 0 |
| 1979 | 14 | 0 |
| 1980 | 26 | 0 |
| 1981 | 27 | 0 |
| 1982 | 20 | 0 |
| 1983 | 20 | 0 |
| 1984 | 23 | 0 |
| 1985 | 37 | 0 |
| 1986 | 21 | 0 |
| 1987 | 25 | 0 |
| 1988 | 24 | 0 |
| 1989 | 33 | 0 |
| 1990 | 24 | 0 |
| 1991 | 32 | 0 |
| 1992 | 31 | 0 |
| 1993 | 34 | 0 |
| 1994 | 33 | 0 |
| 1995 | 55 | 0 |
| 1996 | 39 | 0 |
| 1997 | 41 | 0 |
| 1998 | 57 | 0 |
| 1999 | 42 | 0 |
| 2000 | 30 | 0 |
| 2001 | 43 | 6 |
| 2002 | 34 | 21 |
| 2003 | 25 | 41 |
| 2004 | 33 | 59 |
| 2005 | 24 | 51 |
| 2006 | 31 | 65 |
| 2007 | 33 | 79 |
| 2008 | 26 | 69 |
| 2009 | 25 | 81 |
| 2010 | 37 | 89 |
| 2011 | 46 | 98 |
| 2012 | 57 | 124 |
| 2013 | 58 | 105 |
| 2014 | 79 | 156 |
| 2015 | 89 | 202 |
| 2016 | 108 | 211 |
| 2017 | 168 | 249 |
| 2018 | 176 | 199 |
| 2019 | 225 | 250 |
| 2020 | 242 | 271 |
| 2021 | 215 | 306 |
| 2022 | 250 | 274 |
| 2023 | 211 | 261 |
| 2024 | 212 | 242 |
| 2025 | 208 | 176 |
| 2026 | 105 | 118 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for detecting low indoor air quality and enabling ventilation in multi-zone29 Sep 2026US 12,747,881 B2Carrier Corporation
- Air purifier29 Sep 2026US 12,747,885 B2Coway Co., Ltd.
- Air conditioner, four-way valve abnormal direction change detection method and defrosting control method15 Sep 2026US 12,736,248 B2Zhuzhou Megmeet Electric Co., Ltd.
- Indoor air cleaning system8 Sep 2026US 12,729,868 B2Microjet Technology Co., Ltd.
- Methods and systems for controlling an HVAC system to identify energy usage under different control strategies18 Aug 2026US 12,710,186 B2Honeywell International Inc.
- Detection system and detection method8 Oct 2026US 2026/0309353 A1Panasonic Intellectual Property Management Co., Ltd.
- Target temperature calculation method, air conditioner, and computer storage medium8 Oct 2026US 2026/0309354 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Electronic control device and air conditioner8 Oct 2026US 2026/0309357 A1Gd Midea Air-Conditioning Equipment Co., Ltd.
- Noise reduction control method, noise reduction control device and air conditioner8 Oct 2026US 2026/0309361 A1Gd Midea Air-Conditioning Equipment Co., Ltd.
- Thermal management system with hybrid circuit for energy storage device in air conditioning system1 Oct 2026US 2026/0298487 A1Carrier Corporation
Most cited
By later US patents
- Environmental condition control and energy management system and method768US 6,216,956 B1Tocom, Inc. · 2001
- Environmental condition control and energy management system and method470US 5,924,486 ATeCom AS · 1999
- Realtime, location-based cell phone enhancements, uses, and applications357US 8,880,047 B22014
- Open web services-based indoor climate control system352US 7,904,209 B2Syracuse University · 2011
- Adaptable control of HVAC systems341US 5,170,935 AMassachusetts Institute of Technology · 1992