F21V 21/02
Wall, ceiling, or floor bases
Official title: Wall, ceiling, or floor bases; Fixing pendants or arms to the bases (F21V21/08 takes precedence; bases for movable standing lamps F21V21/06)
F21V21/02 (Wall, ceiling, or floor bases) appears on 2,592 US grants and 2,318 published applications in this corpus.
Search patents in F21V- Granted patents
- 2,592
- Published applications
- 2,318
- Assignees
- 1,018
- Inventors
- 3,470
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 14 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 13 | 0 |
| 1985 | 10 | 0 |
| 1986 | 10 | 0 |
| 1987 | 21 | 0 |
| 1988 | 15 | 0 |
| 1989 | 19 | 0 |
| 1990 | 24 | 0 |
| 1991 | 22 | 0 |
| 1992 | 25 | 0 |
| 1993 | 12 | 0 |
| 1994 | 19 | 0 |
| 1995 | 22 | 0 |
| 1996 | 23 | 0 |
| 1997 | 23 | 0 |
| 1998 | 23 | 0 |
| 1999 | 30 | 0 |
| 2000 | 36 | 0 |
| 2001 | 37 | 7 |
| 2002 | 38 | 24 |
| 2003 | 40 | 34 |
| 2004 | 38 | 49 |
| 2005 | 42 | 48 |
| 2006 | 27 | 55 |
| 2007 | 35 | 41 |
| 2008 | 31 | 56 |
| 2009 | 43 | 52 |
| 2010 | 45 | 70 |
| 2011 | 46 | 72 |
| 2012 | 50 | 71 |
| 2013 | 62 | 96 |
| 2014 | 65 | 82 |
| 2015 | 80 | 110 |
| 2016 | 88 | 102 |
| 2017 | 84 | 125 |
| 2018 | 131 | 178 |
| 2019 | 210 | 179 |
| 2020 | 209 | 156 |
| 2021 | 184 | 172 |
| 2022 | 154 | 130 |
| 2023 | 127 | 115 |
| 2024 | 111 | 116 |
| 2025 | 115 | 98 |
| 2026 | 80 | 80 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ceiling fan with a quick connect assembly6 Oct 2026US 12,753,775 B2Hunter Fan Company
- Panel light6 Oct 2026US 12,753,890 B2Xiamen PVTECH Co., Ltd.
- Moveable light fixture6 Oct 2026US 12,753,909 B2Bunk16 LLC
- Ceiling lamp mounting structure and ceiling lamp29 Sep 2026US 12,747,841 B2Opple Lighting Co., Ltd.
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- Airframe system and method of controlling airflow8 Oct 2026US 2026/0306210 A1SLD Technology, Inc.
- Track-based lighting system8 Oct 2026US 2026/0309289 A1Signify Holding B. V.
- Adjustable electrical apparatus with hangar bars for installation in a building1 Oct 2026US 2026/0298424 A1DMF, Inc.
- Integrated ceiling device with mechanical arrangement for a light source1 Oct 2026US 2026/0298440 A1Lighting Defense Group, LLC
- Lighting apparatus1 Oct 2026US 2026/0298451 A1Leedarson Lighting Co., Ltd.
Most cited
By later US patents
- Lighting fixture with recessed baffle trim unit251US 7,722,227 B2Cordelia Lighting, Inc. · 2010
- Modular lighting fixture225US 5,738,436 AM.G. Products, Inc. · 1998
- Encapsulated explosion-proof pilot light221US 5,821,695 AAppleton Electric Company · 1998
- LED-based light-generating modules for socket engagement, and methods of assembling, installing and removing same220US 7,766,518 B2Philips Solid-State Lighting Solutions, Inc. · 2010
- Fully rotatable recessed light fixture with movable stop and adjustable length bar hanger219US 6,082,878 ACooper Industries, Inc. · 2000