F21V 33/0088
Ventilating systems
Official title: {Ventilating systems (lighting fixtures combined with outlets for air treatment systems F24F13/078)}
F21V33/0088 (Ventilating systems) appears on 655 US grants and 641 published applications in this corpus.
Search patents in F21V- Granted patents
- 655
- Published applications
- 641
- Assignees
- 324
- Inventors
- 1,081
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 13 | 0 |
| 2001 | 17 | 2 |
| 2002 | 7 | 2 |
| 2003 | 9 | 9 |
| 2004 | 6 | 7 |
| 2005 | 5 | 14 |
| 2006 | 7 | 9 |
| 2007 | 4 | 10 |
| 2008 | 6 | 13 |
| 2009 | 8 | 10 |
| 2010 | 8 | 9 |
| 2011 | 5 | 9 |
| 2012 | 6 | 15 |
| 2013 | 11 | 20 |
| 2014 | 12 | 19 |
| 2015 | 17 | 24 |
| 2016 | 21 | 24 |
| 2017 | 17 | 33 |
| 2018 | 24 | 36 |
| 2019 | 36 | 58 |
| 2020 | 47 | 70 |
| 2021 | 48 | 30 |
| 2022 | 48 | 49 |
| 2023 | 49 | 52 |
| 2024 | 47 | 42 |
| 2025 | 56 | 41 |
| 2026 | 35 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ceiling fan with a quick connect assembly6 Oct 2026US 12,753,775 B2Hunter Fan Company
- Fan lamp29 Sep 2026US 12,747,857 B2Hangzhou Juxing Intelligent Technology Co., Ltd.
- Motor control device29 Sep 2026US 12,749,996 B2Lutron Technology Company LLC
- Waterproofing ceiling fan components22 Sep 2026US 12,745,338 B1Hkc-US, LLC
- Ceiling-fan lamp with multiple control modes15 Sep 2026US 12,736,214 B2Foshan Carro Electrical Co., Ltd.
- Cooling fan with light guide elements1 Oct 2026US 2026/0298462 A1Dongguan City Hanshuo Plastic Co., Ltd.
- Lighting mechanism and ceiling fan lamp24 Sep 2026US 2026/0287168 A1Star Mount Enterprise Limited
- Fan lamp24 Sep 2026US 2026/0287169 A1Opple Lighting Co., Ltd.
- Fan module17 Sep 2026US 2026/0276003 A1Shenzhen Jisu Technology Co., Ltd
- Makeup mirror lamp capable of air blowing and fill-light illumination17 Sep 2026US 2026/0276190 A1Dongguan Mizhi Intelligent Technology Co., Ltd.
Most cited
By later US patents
- Combination heater-light-ventilator unit150US 4,681,024 AFasco Industries, Inc. · 1987
- Lighting and ventilating apparatus and method148US 7,175,309 B2Broan-NuTone LLC · 2007
- Roof fixture for ventilating and illuminating a vehicle141US 5,918,972 A1999
- Actively cooled lighting trim apparatus130US 6,095,671 A2000
- Solid state light fixture with cooling system with heat rejection management118US 8,651,704 B1Musco Corporation · 2014