F24F 13/26
Arrangements for air-circulation by means of induction
Official title: Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
F24F13/26 (Arrangements for air-circulation by means of induction) appears on 121 US grants and 99 published applications in this corpus.
Search patents in F24F- Granted patents
- 121
- Published applications
- 99
- Assignees
- 77
- Inventors
- 232
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 7 |
| 2013 | 1 | 11 |
| 2014 | 2 | 7 |
| 2015 | 8 | 5 |
| 2016 | 6 | 11 |
| 2017 | 8 | 9 |
| 2018 | 7 | 4 |
| 2019 | 6 | 8 |
| 2020 | 6 | 4 |
| 2021 | 4 | 8 |
| 2022 | 4 | 4 |
| 2023 | 8 | 6 |
| 2024 | 6 | 7 |
| 2025 | 3 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air flow treatment system and method for ventilation systems18 Aug 2026US 12,708,686 B2Jerome Canady Research Institute for Advanced Biological and Technological Sciences
- Fan assembly26 May 2026US 12,638,019 B2Dyson Technology Limited
- Air cleaning device13 Jan 2026US 12,523,382 B2Respired Limited
- Blower having first and second towers and a handle arrangement14 Jan 2025US 12,196,220 B2LG Electronics Inc.
- Blower having first and second towers and a motor housing supporter arrangement14 Jan 2025US 12,196,221 B2LG Electronics Inc.
- Window-type air conditioner11 Sep 2025US 2025/0283613 A1Samsung Electronics Co., Ltd.
- Control system for exhaust gas fan system26 Dec 2024US 2024/0426479 A1Strobic Air Corporation
- Air Conditioner Indoor Unit11 Jul 2024US 2024/0230141 A1Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Lighting control for chilled beam4 Apr 2024US 2024/0110721 A1Air Distribution Technologies IP, LLC
- Blower22 Feb 2024US 2024/0060508 A1LG Electronics Inc.
Most cited
By later US patents
- Induction nozzle and arrangement388US 6,004,204 ALuminis Pty. Ltd. · 1999
- Room ejection unit of central air-conditioning102US 4,342,204 A1982
- Humidifying apparatus54US 8,356,804 B2Dyson Technology Limited · 2013
- Humidifying apparatus41US 8,783,663 B2Dyson Technology Limited · 2014
- Element for user in a heating and air conditioning ductwork system40US 5,197,920 A1993