F21V 14/08
Controlling the distribution of the light emitted by adjustment of elements: by
Official title: by movement of the screens {or filters}
F21V14/08 (Controlling the distribution of the light emitted by adjustment of elements: by) appears on 537 US grants and 548 published applications in this corpus.
Search patents in F21V- Granted patents
- 537
- Published applications
- 548
- Assignees
- 283
- Inventors
- 864
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 3 |
| 2003 | 3 | 6 |
| 2004 | 10 | 9 |
| 2005 | 7 | 9 |
| 2006 | 7 | 11 |
| 2007 | 7 | 10 |
| 2008 | 7 | 13 |
| 2009 | 2 | 10 |
| 2010 | 12 | 20 |
| 2011 | 10 | 22 |
| 2012 | 22 | 20 |
| 2013 | 11 | 21 |
| 2014 | 17 | 37 |
| 2015 | 22 | 47 |
| 2016 | 35 | 40 |
| 2017 | 37 | 47 |
| 2018 | 58 | 52 |
| 2019 | 47 | 34 |
| 2020 | 33 | 27 |
| 2021 | 34 | 23 |
| 2022 | 22 | 22 |
| 2023 | 19 | 15 |
| 2024 | 18 | 17 |
| 2025 | 28 | 17 |
| 2026 | 19 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Light fixture including a three-bar frame solver for shutter control6 Oct 2026US 12,753,906 B2Electronic Theatre Controls, Inc.
- Dust cap illumination15 Sep 2026US 12,739,547 B2Harman International Industries, Incorporated
- Progressive frost in a luminaire8 Sep 2026US 12,729,831 B2Robe Lighting s.r.o.
- Manual frost mechanism8 Sep 2026US 12,729,834 B2Robe Lighting s.r.o.
- Lighting device or lamp with configurable beam angle and/or profile8 Sep 2026US 12,729,844 B2Feit Electric Company, Inc.
- Stage light fixture having multi-colored zone effect element8 Oct 2026US 2026/0309291 A1Guangzhou Haoyang Electronic Co., Ltd.
- Light fixture including a three-bar frame solver for shutter control1 Oct 2026US 2026/0298444 A1Electronic Theatre Controls, Inc.
- Lighting device and related methods3 Sep 2026US 2026/0258921 A1Velaflame, LLC
- Laser-phosphor light source with improved lifetime6 Aug 2026US 2026/0227051 A1Signify Holding B. V.
- Filter for use with laser-pumped light engine30 Jul 2026US 2026/0218881 A1Robe Lighting s.r.o.
Most cited
By later US patents
- Computer controlled lighting system having automatically variable position, color, intensity and beam divergence386US 4,392,187 AVari-Lite, Inc. · 1983
- Multiple light-source illuminating system219US 8,100,552 B22012
- Illumination system and illumination unit191US 6,659,622 B2Moriyama Sangyo Kabushiki Kaisha · 2003
- Lighting device with beam altering mechanism incorporating a plurality of light souces124US 6,474,837 B12002
- Light source having automatically variable hue, saturation and beam divergence120US 4,602,321 AVari-Lite, Inc. · 1986