F21V 7/0091
Reflectors for light sources: using total internal reflection
Official title: {using total internal reflection}
F21V7/0091 (Reflectors for light sources: using total internal reflection) appears on 1,321 US grants and 1,485 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,321
- Published applications
- 1,485
- Assignees
- 567
- Inventors
- 2,181
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 3 |
| 2002 | 11 | 14 |
| 2003 | 21 | 15 |
| 2004 | 14 | 24 |
| 2005 | 18 | 38 |
| 2006 | 17 | 46 |
| 2007 | 29 | 28 |
| 2008 | 32 | 53 |
| 2009 | 27 | 62 |
| 2010 | 46 | 67 |
| 2011 | 48 | 70 |
| 2012 | 50 | 86 |
| 2013 | 80 | 92 |
| 2014 | 67 | 86 |
| 2015 | 50 | 93 |
| 2016 | 90 | 93 |
| 2017 | 75 | 87 |
| 2018 | 91 | 72 |
| 2019 | 111 | 98 |
| 2020 | 89 | 74 |
| 2021 | 83 | 59 |
| 2022 | 52 | 59 |
| 2023 | 56 | 50 |
| 2024 | 47 | 44 |
| 2025 | 27 | 42 |
| 2026 | 25 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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