F21V 21/30
Pivoted housings or frames
F21V21/30 (Pivoted housings or frames) appears on 2,609 US grants and 2,308 published applications in this corpus.
Search patents in F21V- Granted patents
- 2,609
- Published applications
- 2,308
- Assignees
- 1,104
- Inventors
- 3,967
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 9 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 12 | 0 |
| 1982 | 16 | 0 |
| 1983 | 12 | 0 |
| 1984 | 8 | 0 |
| 1985 | 12 | 0 |
| 1986 | 15 | 0 |
| 1987 | 19 | 0 |
| 1988 | 24 | 0 |
| 1989 | 23 | 0 |
| 1990 | 11 | 0 |
| 1991 | 21 | 0 |
| 1992 | 16 | 0 |
| 1993 | 23 | 0 |
| 1994 | 22 | 0 |
| 1995 | 17 | 0 |
| 1996 | 32 | 0 |
| 1997 | 38 | 0 |
| 1998 | 24 | 0 |
| 1999 | 22 | 0 |
| 2000 | 39 | 0 |
| 2001 | 35 | 5 |
| 2002 | 25 | 34 |
| 2003 | 45 | 50 |
| 2004 | 27 | 26 |
| 2005 | 34 | 52 |
| 2006 | 41 | 48 |
| 2007 | 31 | 49 |
| 2008 | 41 | 63 |
| 2009 | 40 | 75 |
| 2010 | 60 | 90 |
| 2011 | 72 | 98 |
| 2012 | 75 | 88 |
| 2013 | 66 | 104 |
| 2014 | 83 | 97 |
| 2015 | 92 | 106 |
| 2016 | 75 | 98 |
| 2017 | 97 | 148 |
| 2018 | 128 | 146 |
| 2019 | 177 | 132 |
| 2020 | 153 | 149 |
| 2021 | 155 | 130 |
| 2022 | 139 | 118 |
| 2023 | 140 | 100 |
| 2024 | 130 | 127 |
| 2025 | 112 | 97 |
| 2026 | 89 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High luminous-efficacy industrial lighting device6 Oct 2026US 12,753,908 B2Xiamen PVTECH Co., Ltd.
- Lamp with folding self-locking structure6 Oct 2026US 12,753,911 B1Mester Led Limited
- Work light29 Sep 2026US 12,747,854 B2Milwaukee Electric Tool Corporation
- Adjustable hidden panel for downlight attachment in metal ceiling22 Sep 2026US 12,742,538 B2Lucifer Lighting Company
- Airtight light fixture trim retention22 Sep 2026US 12,742,542 B2Signify Holding B. V.
- Operating lamp8 Oct 2026US 2026/0309308 A1F.A.R.O. Fabbrica Apparecchia-Ture Razionali Odontoiatriche S.P.A.
- Portable illumination apparatus24 Sep 2026US 2026/0287128 A1
- Track lighting system24 Sep 2026US 2026/0287133 A1Signify Holding B. V.
- Support stand and lighting device17 Sep 2026US 2026/0276186 A1Shenzhen Habitat Technology Co., Ltd.
- Makeup mirror lamp capable of air blowing and fill-light illumination17 Sep 2026US 2026/0276190 A1Dongguan Mizhi Intelligent Technology Co., Ltd.
Most cited
By later US patents
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- Computer controlled lighting system having automatically variable position, color, intensity and beam divergence386US 4,392,187 AVari-Lite, Inc. · 1983
- Multi-color focusable LED stage light267US 5,752,766 A1998
- Lighting fixture with recessed baffle trim unit251US 7,722,227 B2Cordelia Lighting, Inc. · 2010
- Device for detecting dental caries228US 5,306,144 AKaltenbach & Voigt GmbH & Co. · 1994