F21V 29/673
The fans being used for intake
Official title: {the fans being used for intake}
F21V29/673 (The fans being used for intake) appears on 218 US grants and 258 published applications in this corpus.
Search patents in F21V- Granted patents
- 218
- Published applications
- 258
- Assignees
- 160
- Inventors
- 424
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 5 |
| 2006 | 2 | 5 |
| 2007 | 2 | 5 |
| 2008 | 2 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 16 |
| 2011 | 5 | 18 |
| 2012 | 11 | 21 |
| 2013 | 13 | 15 |
| 2014 | 11 | 10 |
| 2015 | 12 | 14 |
| 2016 | 12 | 22 |
| 2017 | 16 | 27 |
| 2018 | 19 | 18 |
| 2019 | 27 | 15 |
| 2020 | 12 | 11 |
| 2021 | 9 | 9 |
| 2022 | 14 | 8 |
| 2023 | 8 | 6 |
| 2024 | 9 | 7 |
| 2025 | 10 | 13 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- LED lamp heat sink310US 7,144,135 B2Philips Lumileds Lighting Company, LLC · 2006
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- Lighting and ventilating apparatus and method148US 7,175,309 B2Broan-NuTone LLC · 2007
- Illuminating system136US 4,630,182 ANippon Kogaku K. K. · 1986
- High efficiency solid-state light source and methods of use and manufacture122US 8,192,053 B2Phoseon Technology, Inc. · 2012