F21S 8/02
Lighting devices intended for fixed installation: of recess-mounted type
Official title: of recess-mounted type, e.g. downlighters (specially adapted for vehicle exteriors F21S41/00-F21S45/00)
F21S8/02 (Lighting devices intended for fixed installation: of recess-mounted type) appears on 3,040 US grants and 2,971 published applications in this corpus.
Search patents in F21S- Granted patents
- 3,040
- Published applications
- 2,971
- Assignees
- 995
- Inventors
- 3,975
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 19 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 15 | 0 |
| 1996 | 23 | 0 |
| 1997 | 23 | 0 |
| 1998 | 25 | 0 |
| 1999 | 22 | 0 |
| 2000 | 38 | 0 |
| 2001 | 30 | 8 |
| 2002 | 38 | 24 |
| 2003 | 36 | 39 |
| 2004 | 32 | 27 |
| 2005 | 30 | 47 |
| 2006 | 31 | 51 |
| 2007 | 33 | 69 |
| 2008 | 30 | 80 |
| 2009 | 56 | 88 |
| 2010 | 76 | 115 |
| 2011 | 70 | 115 |
| 2012 | 90 | 121 |
| 2013 | 108 | 153 |
| 2014 | 123 | 169 |
| 2015 | 111 | 158 |
| 2016 | 129 | 166 |
| 2017 | 142 | 166 |
| 2018 | 184 | 228 |
| 2019 | 275 | 211 |
| 2020 | 235 | 209 |
| 2021 | 210 | 154 |
| 2022 | 182 | 166 |
| 2023 | 158 | 128 |
| 2024 | 137 | 115 |
| 2025 | 112 | 93 |
| 2026 | 73 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Adjustable electrical apparatus with hangar bars for installation in a building1 Oct 2026US 2026/0298424 A1DMF, Inc.
- Recessed lighting with a reinforced collar1 Oct 2026US 2026/0298425 A1Signify Holding B. V.
- Lighting apparatus1 Oct 2026US 2026/0298451 A1Leedarson Lighting Co., Ltd.
- 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.
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
- LED-based lamps223US 8,197,105 B2Intematix Corporation · 2012