F24F 13/0236
With ducts including air distributors
Official title: {with ducts including air distributors, e.g. air collecting boxes with at least three openings}
F24F13/0236 (With ducts including air distributors) appears on 87 US grants and 123 published applications in this corpus.
Search patents in F24F- Granted patents
- 87
- Published applications
- 123
- Assignees
- 83
- Inventors
- 241
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 5 |
| 2012 | 0 | 2 |
| 2013 | 0 | 4 |
| 2014 | 0 | 3 |
| 2015 | 2 | 2 |
| 2016 | 2 | 3 |
| 2017 | 3 | 4 |
| 2018 | 1 | 2 |
| 2019 | 4 | 9 |
| 2020 | 4 | 9 |
| 2021 | 5 | 20 |
| 2022 | 9 | 15 |
| 2023 | 16 | 9 |
| 2024 | 10 | 6 |
| 2025 | 11 | 10 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method using connected dampers for dehumidifying air21 Jul 2026US 12,687,313 B2Research Products Corporation
- Air quality enhancement system based on fluid mechanics and integrated UV emission5 May 2026US 12,618,574 B2Associacao Blc3—Campus De Tecnologia E Inovacao
- Indoor adaptive ventilation system and method based on multi-vent ventilation modules30 Dec 2025US 12,510,259 B2
- Wall mounted bypass humidifier25 Nov 2025US 12,480,669 B2Resideo LLC
- Air handler devices with U-bend design26 Aug 2025US 12,398,891 B2Best Technologies, Inc.
- Multifunctional Connector for a Distribution Device for Air Conditioning Systems10 Sep 2026US 2026/0266503 A1R.B.M. S.P.A.
- Scoop for ventilation unit secured to outer surface of main return duct of hvac system30 Apr 2026US 2026/0118012 A1Vibrant Building Technologies LLC
- Free cooling and heating system15 Jan 2026US 2026/0016183 A1
- Air handler devices with u-bend design20 Nov 2025US 2025/0354699 A1Best Technologies, Inc.
- Backdraft damper with angled frame for terminal unit13 Nov 2025US 2025/0347439 A1Air Distribution Technologies IP, LLC
Most cited
By later US patents
- Plastic self-insulating ductwork system69US 5,219,403 A1993
- Plastic self-insulating ductwork system44US 5,095,942 A1992
- Insulated duct end system30US 4,735,235 AC-System Incorporated · 1988
- Register box and wye27US 4,750,411 A1988
- Plastic HVAC component system and method for installing the same24US 7,410,416 B2Fettkether L.L.C. · 2008