F21S 8/04
Intended only for mounting on a ceiling or the like overhead structures
Official title: intended only for mounting on a ceiling or the like overhead structures (F21S8/02 takes precedence; {details of ceiling bases F21V21/03})
F21S8/04 (Intended only for mounting on a ceiling or the like overhead structures) appears on 3,097 US grants and 3,204 published applications in this corpus.
Search patents in F21S- Granted patents
- 3,097
- Published applications
- 3,204
- Assignees
- 1,131
- Inventors
- 4,655
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 16 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 10 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 13 | 0 |
| 1989 | 16 | 0 |
| 1990 | 10 | 0 |
| 1991 | 19 | 0 |
| 1992 | 20 | 0 |
| 1993 | 17 | 0 |
| 1994 | 13 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 18 | 0 |
| 2000 | 18 | 0 |
| 2001 | 36 | 7 |
| 2002 | 37 | 30 |
| 2003 | 41 | 39 |
| 2004 | 45 | 51 |
| 2005 | 53 | 67 |
| 2006 | 29 | 62 |
| 2007 | 38 | 43 |
| 2008 | 34 | 55 |
| 2009 | 34 | 66 |
| 2010 | 48 | 92 |
| 2011 | 51 | 108 |
| 2012 | 69 | 144 |
| 2013 | 79 | 169 |
| 2014 | 113 | 184 |
| 2015 | 119 | 168 |
| 2016 | 145 | 197 |
| 2017 | 169 | 246 |
| 2018 | 210 | 225 |
| 2019 | 291 | 228 |
| 2020 | 243 | 213 |
| 2021 | 238 | 194 |
| 2022 | 162 | 158 |
| 2023 | 166 | 149 |
| 2024 | 159 | 119 |
| 2025 | 118 | 97 |
| 2026 | 70 | 93 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Panel light6 Oct 2026US 12,753,890 B2Xiamen PVTECH Co., Ltd.
- High luminous-efficacy industrial lighting device6 Oct 2026US 12,753,908 B2Xiamen PVTECH Co., Ltd.
- Ceiling lamp mounting structure and ceiling lamp29 Sep 2026US 12,747,841 B2Opple Lighting Co., Ltd.
- Artificial skylight device with a panel and rim where each emit light that respectively resembles the sky and sunlight29 Sep 2026US 12,747,842 B2Signify Holding B. V.
- Light exit window having adjustable contrast sensitivity29 Sep 2026US 12,747,848 B2Signify Holding B. V.
- 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.
- Reflector cup and luminaire8 Oct 2026US 2026/0309309 A1Signify Holding B. V.
- Luminaire provided with a uv lighting module8 Oct 2026US 2026/0309320 A1Signify Holding B. V.
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
Most cited
By later US patents
- LED-based fixtures and related methods for thermal management313US 7,828,465 B2Koninlijke Philips Electronis N.V. · 2010
- Tile lighting methods and systems282US 7,358,929 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- 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
- Modular lighting systems209US 8,232,745 B2Digital Lumens Incorporated · 2012
- Modular ambient lighting system172US 6,979,097 B22005