F21S 41/322
The reflector using total internal reflection
Official title: {the reflector using total internal reflection}
F21S41/322 (The reflector using total internal reflection) appears on 490 US grants and 529 published applications in this corpus.
Search patents in F21S- Granted patents
- 490
- Published applications
- 529
- Assignees
- 137
- Inventors
- 708
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 4 |
| 2005 | 3 | 9 |
| 2006 | 5 | 11 |
| 2007 | 7 | 4 |
| 2008 | 6 | 6 |
| 2009 | 6 | 5 |
| 2010 | 2 | 5 |
| 2011 | 6 | 7 |
| 2012 | 2 | 15 |
| 2013 | 11 | 14 |
| 2014 | 12 | 22 |
| 2015 | 10 | 22 |
| 2016 | 21 | 25 |
| 2017 | 30 | 37 |
| 2018 | 31 | 34 |
| 2019 | 50 | 39 |
| 2020 | 46 | 38 |
| 2021 | 40 | 39 |
| 2022 | 45 | 57 |
| 2023 | 41 | 34 |
| 2024 | 46 | 43 |
| 2025 | 39 | 29 |
| 2026 | 16 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Vehicle lamp fitting6 Aug 2026US 2026/0227043 A1Stanley Electric Co., Ltd.
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Most cited
By later US patents
- Illuminator assembly incorporating light emitting diodes881US 5,803,579 AGentex Corporation · 1998
- Led assembly631US 6,132,072 AGentex Corporation · 2000
- Led assembly181US 6,523,976 B1Gentex Corporation · 2003
- Bireflective lens element169US 6,097,549 ABreault Research Organization, Inc. · 2000
- Wide-area lamp114US 4,975,814 ATelefunken electronic GmbH · 1990