F21S 41/683
By moving screens
Official title: by moving screens
F21S41/683 (By moving screens) appears on 421 US grants and 405 published applications in this corpus.
Search patents in F21S- Granted patents
- 421
- Published applications
- 405
- Assignees
- 116
- Inventors
- 659
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 14 |
| 2002 | 16 | 19 |
| 2003 | 18 | 13 |
| 2004 | 9 | 11 |
| 2005 | 9 | 20 |
| 2006 | 19 | 20 |
| 2007 | 15 | 23 |
| 2008 | 18 | 13 |
| 2009 | 11 | 14 |
| 2010 | 13 | 18 |
| 2011 | 11 | 16 |
| 2012 | 13 | 19 |
| 2013 | 15 | 22 |
| 2014 | 18 | 18 |
| 2015 | 18 | 17 |
| 2016 | 24 | 14 |
| 2017 | 7 | 28 |
| 2018 | 22 | 23 |
| 2019 | 33 | 19 |
| 2020 | 14 | 9 |
| 2021 | 10 | 6 |
| 2022 | 13 | 20 |
| 2023 | 16 | 8 |
| 2024 | 14 | 10 |
| 2025 | 10 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F21S 41/689Flaps, i.e. screens pivoting around one of their edges159
- F21S 41/692Shields, i.e. screens not creating an image meant to be projected100
- F21S 41/686Blades, i.e. screens moving in a vertical plane83
- F21S 41/698Shaft-shaped screens rotating along its longitudinal axis61
- F21S 41/695Screens rotating around a vertical axis19
Recent patents
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- External shutter assembly for headlights of vehicles to control angle of light beam7 Jul 2026US 12,673,604 B2
- Exterior aircraft light, aircraft comprising an exterior aircraft light, and method of manufacturing an exterior aircraft light26 May 2026US 12,638,151 B2Goodrich Lighting Systems GmbH
- Light for a vehicle14 Apr 2026US 12,601,458 B2ZKW Group GmbH
- Illumination device for vehicle headlamps30 Dec 2025US 12,510,223 B2ZKW Group GmbH
- External shutter assembly for headlights of vehicles to control angle of light beam26 Feb 2026US 2026/0054636 A1
- Camera shutter synchronized headlight system for vehicle29 Jan 2026US 2026/0032330 A1Fca US LLC
- Vehicle headlamp8 Jan 2026US 2026/0009515 A1Koito Manufacturing Co., Ltd.
- Light for a vehicle30 Oct 2025US 2025/0334245 A1ZKW Group GmbH
- Lighting Device for a Motor Vehicle Headlamp25 Sep 2025US 2025/0297720 A1ZKW Group GmbH
Most cited
By later US patents
- Glare sensor for a vehicle614US 5,426,294 AKoito Manufacturing Co., Ltd. · 1995
- Headlight apparatus for automotive vehicle446US 4,967,319 ANissan Motor Co., Ltd. · 1990
- Apparatus for controlling light distributions of head lamps431US 5,896,085 AToyota Jidosha Kabushiki Kaisha · 1999
- Headlamp control to prevent glare143US 6,861,809 B2Gentex Corporation · 2005
- Vehicular headlamp producing low beam having cut line controlled in accordance with condition of curved road116US 5,707,129 AKoito Manufacturing Co., Ltd. · 1998