F24F 2007/004
Natural ventilation using convection
Official title: {Natural ventilation using convection}
F24F2007/004 (Natural ventilation using convection) appears on 60 US grants and 77 published applications in this corpus.
Search patents in F24F- Granted patents
- 60
- Published applications
- 77
- Assignees
- 48
- Inventors
- 162
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 4 |
| 2007 | 2 | 2 |
| 2008 | 0 | 4 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 1 | 5 |
| 2012 | 1 | 5 |
| 2013 | 1 | 4 |
| 2014 | 4 | 5 |
| 2015 | 3 | 4 |
| 2016 | 4 | 3 |
| 2017 | 1 | 2 |
| 2018 | 3 | 5 |
| 2019 | 3 | 2 |
| 2020 | 3 | 6 |
| 2021 | 3 | 3 |
| 2022 | 3 | 2 |
| 2023 | 4 | 2 |
| 2024 | 2 | 4 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal convection conversion system11 Nov 2025US 12,467,647 B1
- Control for a passive-ventilation system of a building20 Aug 2024US 12,066,198 B2Mitsubishi Electric Corporation
- Systems and methods for controlling air properties in structures and inhibiting moisture accumulation and mold propagation in structures14 May 2024US 11,982,466 B2Vacek LLC
- Vent for livestock stall7 Nov 2023US 11,805,750 B2Amity Technology, LLC
- Vapor mitigation system, vapor mitigation controller and methods of controlling, monitoring and mitigating vapors29 Aug 2023US 11,739,961 B2Vapor Dynamics LLC
- An apparatus, system, and method for heat exchange14 May 2026US 2026/0132990 A1
- Thermal barrier for ventilated roofs26 Feb 2026US 2026/0055908 A1Universita' Degli Studi Di Ferrara
- Ventilation and air-conditioning system24 Oct 2024US 2024/0353130 A1Framatome
- Use of passive cooling materials to generate free convective air flow19 Sep 2024US 2024/0310061 A1
- Modular canopy system28 Mar 2024US 2024/0106384 A1
Most cited
By later US patents
- Window system for a building70US 5,226,256 AAug. Winkhaus GmbH & Co. KG · 1993
- Method of venting heat from homes68US 4,201,121 A1980
- Apparatus and method for passive ventilation of buildings55US 6,077,159 ACTI Building Systems · 2000
- Building with improved vent arrangement46US 7,250,000 B22007
- Air filter assembly36US 5,492,551 A1996