F24F 7/02
Roof ventilation
Official title: Roof ventilation (ventilation of roof coverings E04D)
F24F7/02 (Roof ventilation) appears on 728 US grants and 643 published applications in this corpus.
Search patents in F24F- Granted patents
- 728
- Published applications
- 643
- Assignees
- 297
- Inventors
- 1,025
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 14 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 4 | 0 |
| 1994 | 15 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 15 | 0 |
| 1998 | 17 | 0 |
| 1999 | 12 | 0 |
| 2000 | 18 | 0 |
| 2001 | 22 | 10 |
| 2002 | 27 | 16 |
| 2003 | 12 | 14 |
| 2004 | 12 | 8 |
| 2005 | 9 | 21 |
| 2006 | 11 | 29 |
| 2007 | 8 | 26 |
| 2008 | 6 | 26 |
| 2009 | 11 | 20 |
| 2010 | 13 | 19 |
| 2011 | 13 | 31 |
| 2012 | 12 | 23 |
| 2013 | 14 | 30 |
| 2014 | 25 | 29 |
| 2015 | 26 | 25 |
| 2016 | 28 | 29 |
| 2017 | 24 | 36 |
| 2018 | 29 | 27 |
| 2019 | 22 | 27 |
| 2020 | 39 | 31 |
| 2021 | 13 | 30 |
| 2022 | 29 | 30 |
| 2023 | 31 | 25 |
| 2024 | 21 | 37 |
| 2025 | 19 | 23 |
| 2026 | 16 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vent and roof vent assembly11 Aug 2026US 12,704,277 B2TS Innovations LLC
- Filter lift apparatus and method7 Jul 2026US 12,673,284 B2
- Adjustable roof vent assembly and a method of making thereof7 Jul 2026US 12,674,325 B1Bmic LLC
- Sleeved tile roof ridge vent7 Jul 2026US 12,674,591 B2Marco Industries, Inc.
- Attic ventilation system, roof vent therefor, and method of installation and servicing thereof16 Jun 2026US 12,656,001 B21656975 Ontario Inc
- System for curb cap size selection in an exhaust fan17 Sep 2026US 2026/0276224 A1Greenheck Fan Corporation
- Filter Lift Apparatus and Method20 Aug 2026US 2026/0241316 A1
- Automated cooling system for a building structure23 Jul 2026US 2026/0210568 A1Qc Manufacturing, Inc.
- Solar-powered ventilation system2 Jul 2026US 2026/0185724 A1Roof Turbo, LLC
- One step installation of vent assembly from inside the structure14 May 2026US 2026/0132955 A1
Most cited
By later US patents
- Roof vent of synthetic fiber matting187US 5,167,579 A1992
- Variable-volume exhaust system169US 10,029,289 B2Greenheck Fan Corporation · 2018
- Ventilation fan134US 4,510,851 ABroan Mfg. Co., Inc. · 1985
- Roof ridge ventilator122US 4,280,399 ABird & Son, Inc. · 1981
- Ventilated cap for the ridge of a roof115US 3,949,657 A1976