F21S 8/026
Intended to be recessed in a ceiling or like overhead structure
Official title: {intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling}
F21S8/026 (Intended to be recessed in a ceiling or like overhead structure) appears on 1,958 US grants and 2,012 published applications in this corpus.
Search patents in F21S- Granted patents
- 1,958
- Published applications
- 2,012
- Assignees
- 598
- Inventors
- 2,486
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 14 | 0 |
| 2001 | 13 | 4 |
| 2002 | 10 | 4 |
| 2003 | 15 | 14 |
| 2004 | 8 | 4 |
| 2005 | 10 | 13 |
| 2006 | 6 | 14 |
| 2007 | 6 | 18 |
| 2008 | 6 | 27 |
| 2009 | 14 | 36 |
| 2010 | 29 | 37 |
| 2011 | 34 | 59 |
| 2012 | 37 | 69 |
| 2013 | 61 | 106 |
| 2014 | 76 | 111 |
| 2015 | 76 | 110 |
| 2016 | 95 | 133 |
| 2017 | 97 | 134 |
| 2018 | 144 | 181 |
| 2019 | 225 | 178 |
| 2020 | 197 | 169 |
| 2021 | 170 | 129 |
| 2022 | 153 | 130 |
| 2023 | 131 | 108 |
| 2024 | 117 | 97 |
| 2025 | 91 | 77 |
| 2026 | 61 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recessed lighting with a reinforced collar6 Oct 2026US 12,753,889 B2Signify Holding B. V.
- Recessed light fixture with LED module removably mounted therein29 Sep 2026US 12,747,853 B2Usai, LLC
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- Lighting fixture22 Sep 2026US 12,742,527 B2QTran, Inc.
- Adjustable hidden panel for downlight attachment in metal ceiling22 Sep 2026US 12,742,538 B2Lucifer Lighting Company
- Recessed lighting with a reinforced collar1 Oct 2026US 2026/0298425 A1Signify Holding B. V.
- Wall wash insert for recessed lighting1 Oct 2026US 2026/0298452 A1Signify Holding B. V.
- Integrated ceiling and light system17 Sep 2026US 2026/0276162 A1Armstrong World Industries, Inc.
- Illumination systems employing multi-layer laminated sheet-form optical structures with embedded tir channels17 Sep 2026US 2026/0276175 A1
- Small aperture light emitting diode led lighting17 Sep 2026US 2026/0276184 A1Wangs Alliance Corporation
Most cited
By later US patents
- LED-based fixtures and related methods for thermal management313US 7,828,465 B2Koninlijke Philips Electronis N.V. · 2010
- LED lamp heat sink310US 7,144,135 B2Philips Lumileds Lighting Company, LLC · 2006
- 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
- Fully rotatable recessed light fixture with movable stop and adjustable length bar hanger219US 6,082,878 ACooper Industries, Inc. · 2000