F21V 5/008
Combination of two or more successive refractors along an optical axis
Official title: {Combination of two or more successive refractors along an optical axis}
F21V5/008 (Combination of two or more successive refractors along an optical axis) appears on 719 US grants and 779 published applications in this corpus.
Search patents in F21V- Granted patents
- 719
- Published applications
- 779
- Assignees
- 371
- Inventors
- 1,227
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 4 |
| 2003 | 3 | 3 |
| 2004 | 4 | 5 |
| 2005 | 2 | 11 |
| 2006 | 10 | 16 |
| 2007 | 7 | 15 |
| 2008 | 4 | 17 |
| 2009 | 14 | 17 |
| 2010 | 15 | 23 |
| 2011 | 22 | 20 |
| 2012 | 8 | 36 |
| 2013 | 18 | 31 |
| 2014 | 34 | 50 |
| 2015 | 35 | 39 |
| 2016 | 32 | 43 |
| 2017 | 40 | 47 |
| 2018 | 40 | 59 |
| 2019 | 65 | 52 |
| 2020 | 70 | 57 |
| 2021 | 63 | 38 |
| 2022 | 39 | 46 |
| 2023 | 55 | 39 |
| 2024 | 44 | 47 |
| 2025 | 41 | 32 |
| 2026 | 27 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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By later US patents
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