F21W 2131/406
For theatres, stages or film studios
Official title: for theatres, stages or film studios
F21W2131/406 (For theatres, stages or film studios) appears on 1,350 US grants and 1,198 published applications in this corpus.
Search patents in F21W- Granted patents
- 1,350
- Published applications
- 1,198
- Assignees
- 400
- Inventors
- 1,447
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 14 | 0 |
| 1988 | 14 | 0 |
| 1989 | 19 | 0 |
| 1990 | 15 | 0 |
| 1991 | 17 | 0 |
| 1992 | 13 | 0 |
| 1993 | 18 | 0 |
| 1994 | 19 | 0 |
| 1995 | 13 | 0 |
| 1996 | 16 | 0 |
| 1997 | 13 | 0 |
| 1998 | 24 | 0 |
| 1999 | 27 | 0 |
| 2000 | 26 | 0 |
| 2001 | 25 | 10 |
| 2002 | 22 | 31 |
| 2003 | 38 | 33 |
| 2004 | 26 | 37 |
| 2005 | 32 | 49 |
| 2006 | 36 | 48 |
| 2007 | 20 | 38 |
| 2008 | 26 | 47 |
| 2009 | 33 | 54 |
| 2010 | 32 | 47 |
| 2011 | 37 | 50 |
| 2012 | 33 | 52 |
| 2013 | 44 | 64 |
| 2014 | 50 | 46 |
| 2015 | 47 | 55 |
| 2016 | 32 | 49 |
| 2017 | 30 | 41 |
| 2018 | 63 | 60 |
| 2019 | 58 | 66 |
| 2020 | 68 | 65 |
| 2021 | 59 | 45 |
| 2022 | 42 | 48 |
| 2023 | 46 | 36 |
| 2024 | 55 | 56 |
| 2025 | 45 | 38 |
| 2026 | 33 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light fixture including a three-bar frame solver for shutter control6 Oct 2026US 12,753,906 B2Electronic Theatre Controls, Inc.
- Self-calibration method for positioning of light fixture and light fixture15 Sep 2026US 12,736,206 B2Guangzhou Haoyang Electronic Co., Ltd.
- Progressive frost in a luminaire8 Sep 2026US 12,729,831 B2Robe Lighting s.r.o.
- Foldable handle and stage light fixture having same25 Aug 2026US 12,716,578 B2Guangzhou Haoyang Electronic Co., Ltd.
- Lighting apparatus11 Aug 2026US 12,704,244 B2Signify Holding B. V.
- Stage light fixture having multi-colored zone effect element8 Oct 2026US 2026/0309291 A1Guangzhou Haoyang Electronic Co., Ltd.
- Lighting arrangement comprising a light collimating optical element and array of light emitting diodes8 Oct 2026US 2026/0310003 A1Signify Holding B. V.
- Light fixture including a three-bar frame solver for shutter control1 Oct 2026US 2026/0298444 A1Electronic Theatre Controls, Inc.
- Device for emitting a light beam intended to be installed in a lighting device with a view to generating light effects24 Sep 2026US 2026/0287134 A1Arteffect
- Method for determining the position of a spotlight and calibrating same27 Aug 2026US 2026/0253248 A1zactrack GmbH
Most cited
By later US patents
- Systems and methods for generating and modulating illumination conditions693US 7,014,336 B1Color Kinetics Incorporated · 2006
- Adaptive and interactive scene illumination497US 7,227,611 B2The Boeing Company · 2007
- Uniform illumination system488US 7,072,096 B2Digital Optics International Corporation · 2006
- Methods and apparatus for generating and modulating illumination conditions461US 7,255,457 B2Color Kinetics Incorporated · 2007
- Computer controlled lighting system having automatically variable position, color, intensity and beam divergence386US 4,392,187 AVari-Lite, Inc. · 1983