F21V 7/04
Optical design
F21V7/04 (Optical design) appears on 3,010 US grants and 3,024 published applications in this corpus.
Search patents in F21V- Granted patents
- 3,010
- Published applications
- 3,024
- Assignees
- 1,255
- Inventors
- 5,063
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 11 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 14 | 0 |
| 1984 | 10 | 0 |
| 1985 | 14 | 0 |
| 1986 | 10 | 0 |
| 1987 | 15 | 0 |
| 1988 | 23 | 0 |
| 1989 | 15 | 0 |
| 1990 | 20 | 0 |
| 1991 | 17 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 18 | 0 |
| 1995 | 23 | 0 |
| 1996 | 20 | 0 |
| 1997 | 18 | 0 |
| 1998 | 24 | 0 |
| 1999 | 23 | 0 |
| 2000 | 36 | 0 |
| 2001 | 39 | 16 |
| 2002 | 39 | 36 |
| 2003 | 42 | 35 |
| 2004 | 32 | 26 |
| 2005 | 26 | 45 |
| 2006 | 30 | 54 |
| 2007 | 34 | 51 |
| 2008 | 36 | 64 |
| 2009 | 45 | 64 |
| 2010 | 44 | 104 |
| 2011 | 44 | 109 |
| 2012 | 79 | 138 |
| 2013 | 105 | 200 |
| 2014 | 152 | 182 |
| 2015 | 128 | 202 |
| 2016 | 150 | 196 |
| 2017 | 174 | 230 |
| 2018 | 199 | 230 |
| 2019 | 284 | 208 |
| 2020 | 207 | 159 |
| 2021 | 159 | 141 |
| 2022 | 152 | 143 |
| 2023 | 145 | 138 |
| 2024 | 123 | 97 |
| 2025 | 86 | 81 |
| 2026 | 65 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F21V 7/09With a combination of different curvatures722
- F21V 7/06With parabolic curvature605
- F21V 7/05Plane459
- F21V 7/041With conical or pyramidal surface346
- F21V 7/048With facets structure230
- F21V 7/08With elliptical curvature165
- F21V 7/043With cylindrical surface103
- F21V 7/045With spherical surface50
All 10 subgroupsShow fewer
Recent patents
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Most cited
By later US patents
- LED lamp with reflector and multicolor adjuster484US 6,149,283 ARensselaer Polytechnic Institute (RPI) · 2000
- LED light assembly282US 6,641,284 B2Whelen Engineering Company, Inc. · 2003
- Warning beacon268US 5,929,788 AStar Headlight & Lantern Co., Inc. · 1999
- Light emitting diode 360° warning lamp261US 6,183,100 B2Truck-Lite Co., LLC · 2001
- Marker apparatus232US 5,580,156 AKoito Manufacturing Co., Ltd. · 1996