F04D 25/088
Ceiling fans
Official title: {Ceiling fans}
F04D25/088 (Ceiling fans) appears on 1,140 US grants and 1,074 published applications in this corpus.
Search patents in F04D- Granted patents
- 1,140
- Published applications
- 1,074
- Assignees
- 269
- Inventors
- 1,280
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 17 | 0 |
| 1996 | 18 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 26 | 0 |
| 2000 | 44 | 0 |
| 2001 | 41 | 6 |
| 2002 | 35 | 26 |
| 2003 | 27 | 32 |
| 2004 | 41 | 43 |
| 2005 | 28 | 31 |
| 2006 | 25 | 31 |
| 2007 | 24 | 34 |
| 2008 | 13 | 45 |
| 2009 | 15 | 42 |
| 2010 | 20 | 33 |
| 2011 | 22 | 28 |
| 2012 | 24 | 29 |
| 2013 | 25 | 30 |
| 2014 | 25 | 19 |
| 2015 | 23 | 57 |
| 2016 | 23 | 31 |
| 2017 | 43 | 54 |
| 2018 | 26 | 37 |
| 2019 | 46 | 63 |
| 2020 | 54 | 71 |
| 2021 | 58 | 59 |
| 2022 | 68 | 46 |
| 2023 | 80 | 77 |
| 2024 | 78 | 57 |
| 2025 | 59 | 51 |
| 2026 | 29 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceiling fan with a quick connect assembly6 Oct 2026US 12,753,775 B2Hunter Fan Company
- Ceiling-fan lamp with multiple control modes15 Sep 2026US 12,736,214 B2Foshan Carro Electrical Co., Ltd.
- Fan blade retention system and related methods8 Sep 2026US 12,729,693 B2Delta T, LLC
- Mounting structure for fan blade8 Sep 2026US 12,729,694 B1
- Lighting apparatus11 Aug 2026US 12,704,248 B2Leedarson Lighting Co., Ltd.
- Spring plunger ceiling fan blade installation system1 Oct 2026US 2026/0298259 A1Hkc-US, LLC
- Fan lamp24 Sep 2026US 2026/0287169 A1Opple Lighting Co., Ltd.
- Balanced suspension fan10 Sep 2026US 2026/0266301 A1Dongguan Woke Technology Co., Ltd.
- Spring Push Blade Iron Lock10 Sep 2026US 2026/0266308 A1Hkc-US, LLC
- Mechanical control switch systems for ceiling fans, lights and building fixtures and methods thereof20 Aug 2026US 2026/0243267 A1
Most cited
By later US patents
- Portable ceiling fan183US 5,558,501 ADuracraft Corporation · 1996
- High efficiency ceiling fan141US 6,039,541 AUniversity of Central Florida · 2000
- Low profile ceiling fan having a remote control receiver130US 6,015,274 AHunter Fan Company · 2000
- Air movement apparatus123US 6,123,618 AJetfan Australia Pty. Ltd. · 2000
- Means for engaging a remote control unit to a ceiling fan112US 5,613,832 A1997