F24F 13/04
Air-mixing units
Official title: Air-mixing units (F24F13/06 takes precedence)
F24F13/04 (Air-mixing units) appears on 131 US grants and 118 published applications in this corpus.
Search patents in F24F- Granted patents
- 131
- Published applications
- 118
- Assignees
- 92
- Inventors
- 286
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 3 |
| 2003 | 4 | 2 |
| 2004 | 1 | 2 |
| 2005 | 4 | 6 |
| 2006 | 3 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 2 | 5 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 8 |
| 2015 | 2 | 4 |
| 2016 | 4 | 8 |
| 2017 | 9 | 7 |
| 2018 | 5 | 8 |
| 2019 | 8 | 4 |
| 2020 | 4 | 8 |
| 2021 | 7 | 14 |
| 2022 | 9 | 9 |
| 2023 | 8 | 1 |
| 2024 | 5 | 6 |
| 2025 | 5 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- HVAC terminal unit systems and methods26 May 2026US 12,638,209 B2Tyco Fire & Security GmbH
- Air-mixing plenum and method of mixing flows of air therewith24 Feb 2026US 12,560,340 B2Ingénia Technologies Inc.
- Fan powered exhaust hood30 Dec 2025US 12,510,266 B2Trane International Inc.
- Air handler devices with U-bend design26 Aug 2025US 12,398,891 B2Best Technologies, Inc.
- HVAC devices with improved uniax design and functionality5 Aug 2025US 12,379,113 B2Best Technologies, Inc.
- Heat Recovery Air Handling Unit30 Apr 2026US 2026/0118013 A1
- Mixing device for an air handling unit and control methods therefor26 Feb 2026US 2026/0055921 A1D&U Gibbs Holdings Ltd
- Air handler devices with u-bend design20 Nov 2025US 2025/0354699 A1Best Technologies, Inc.
- Compartment, Air-Conditioned Vehicle, and Air-Conditioned Building23 Oct 2025US 2025/0327595 A1ALSTOM Holdings
- Hvac devices with improved uniax design and functionality20 Feb 2025US 2025/0060115 A1Best Technologies, Inc.
Most cited
By later US patents
- Recirculating air mixer and fan with lateral air flow68US 6,168,517 A2001
- Apparatus and method for facilitating cooling of an electronics rack by mixing cooler air flow with re-circulating air flow in a re-circulation region58US 7,283,358 B2International Business Machines Corporation · 2007
- Two section economizer damper assembly providing improved air mixing56US 5,324,229 AAmerican Standard Inc. · 1994
- Method of mixing two or more gas flows53US 4,793,247 AHoogovens Groep B.V. · 1988
- Apparatus and method for facilitating cooling of an electronics rack by mixing cooler air flow with re-circulating air flow in a re-circulation region53US 7,349,209 B2International Business Machines Corporation · 2008