F21V 29/75
With fins or blades having different shapes, thicknesses or spacing
Official title: with fins or blades having different shapes, thicknesses or spacing
F21V29/75 (With fins or blades having different shapes, thicknesses or spacing) appears on 649 US grants and 790 published applications in this corpus.
Search patents in F21V- Granted patents
- 649
- Published applications
- 790
- Assignees
- 358
- Inventors
- 1,218
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 6 | 5 |
| 2004 | 4 | 10 |
| 2005 | 5 | 18 |
| 2006 | 10 | 18 |
| 2007 | 20 | 26 |
| 2008 | 12 | 43 |
| 2009 | 22 | 104 |
| 2010 | 68 | 107 |
| 2011 | 68 | 95 |
| 2012 | 58 | 69 |
| 2013 | 64 | 66 |
| 2014 | 55 | 58 |
| 2015 | 35 | 27 |
| 2016 | 37 | 24 |
| 2017 | 30 | 13 |
| 2018 | 19 | 30 |
| 2019 | 20 | 13 |
| 2020 | 16 | 20 |
| 2021 | 25 | 10 |
| 2022 | 12 | 9 |
| 2023 | 13 | 9 |
| 2024 | 9 | 7 |
| 2025 | 5 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Light source module11 Dec 2025US 2025/0377095 A1Nichia Corporation
- Light Fixture Assembly With A Glare Mask9 Oct 2025US 2025/0314365 A1Lucifer Lighting Company
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- Light fixture including heat sink for supporting lighting module22 May 2025US 2025/0164100 A1HGCI, Inc.
Most cited
By later US patents
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- High output radial dispersing lamp using a solid state light source438US 6,350,041 B1Cree Lighting Company · 2002
- LED lamp heat sink310US 7,144,135 B2Philips Lumileds Lighting Company, LLC · 2006
- LED light assembly282US 6,641,284 B2Whelen Engineering Company, Inc. · 2003
- Lighting fixture with recessed baffle trim unit251US 7,722,227 B2Cordelia Lighting, Inc. · 2010