F21V 14/006
Controlling the distribution of the light emitted by adjustment of elements: by
Official title: {by means of optical elements, e.g. films, filters or screens, being rolled up around a roller}
F21V14/006 (Controlling the distribution of the light emitted by adjustment of elements: by) appears on 123 US grants and 128 published applications in this corpus.
Search patents in F21V- Granted patents
- 123
- Published applications
- 128
- Assignees
- 84
- Inventors
- 253
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 5 |
| 2010 | 2 | 6 |
| 2011 | 1 | 4 |
| 2012 | 2 | 4 |
| 2013 | 4 | 5 |
| 2014 | 3 | 3 |
| 2015 | 4 | 8 |
| 2016 | 4 | 3 |
| 2017 | 7 | 8 |
| 2018 | 6 | 7 |
| 2019 | 11 | 14 |
| 2020 | 13 | 10 |
| 2021 | 11 | 4 |
| 2022 | 4 | 8 |
| 2023 | 5 | 6 |
| 2024 | 13 | 13 |
| 2025 | 9 | 6 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Stage lighting apparatus105US 4,890,208 ALehigh University · 1989
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- Concentrating heliostat for solar lighting applications38US 6,025,583 AThe University of British Columbia · 2000
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