F21S 9/00
Lighting devices with a built-in power supply
Official title: Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
F21S9/00 (Lighting devices with a built-in power supply) appears on 3,242 US grants and 3,610 published applications in this corpus.
Search patents in F21S- Granted patents
- 3,242
- Published applications
- 3,610
- Assignees
- 1,372
- Inventors
- 5,167
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 14 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 18 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 20 | 0 |
| 1990 | 10 | 0 |
| 1991 | 17 | 0 |
| 1992 | 15 | 0 |
| 1993 | 20 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 16 | 0 |
| 1997 | 16 | 0 |
| 1998 | 20 | 0 |
| 1999 | 18 | 0 |
| 2000 | 37 | 0 |
| 2001 | 21 | 5 |
| 2002 | 25 | 36 |
| 2003 | 35 | 50 |
| 2004 | 39 | 61 |
| 2005 | 33 | 98 |
| 2006 | 64 | 113 |
| 2007 | 59 | 112 |
| 2008 | 60 | 129 |
| 2009 | 51 | 115 |
| 2010 | 72 | 137 |
| 2011 | 80 | 122 |
| 2012 | 84 | 134 |
| 2013 | 99 | 140 |
| 2014 | 106 | 161 |
| 2015 | 113 | 174 |
| 2016 | 127 | 187 |
| 2017 | 167 | 252 |
| 2018 | 185 | 258 |
| 2019 | 252 | 217 |
| 2020 | 220 | 204 |
| 2021 | 228 | 202 |
| 2022 | 212 | 185 |
| 2023 | 170 | 131 |
| 2024 | 167 | 150 |
| 2025 | 171 | 137 |
| 2026 | 87 | 100 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Moveable light fixture6 Oct 2026US 12,753,909 B2Bunk16 LLC
- Solar pool lamp6 Oct 2026US 12,753,910 B2Shenzhen Maining Innovation Technology Co., Ltd.
- Shoe box lamp29 Sep 2026US 12,747,851 B2Torshare Ltd.
- Work light29 Sep 2026US 12,747,854 B2Milwaukee Electric Tool Corporation
- Fence/ railing structure1 Oct 2026US 2026/0297977 A1
- Modular humanoid interactive lamp1 Oct 2026US 2026/0298427 A1Zaoma LLC
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Inflatable lighting device1 Oct 2026US 2026/0298437 A1Ztarx Corporation Limited
- Module component for shoes and clothing, sole component, and luminous sports shoes24 Sep 2026US 2026/0283295 A1Sincetech (Fujian) Technology Co., Ltd.
Most cited
By later US patents
- Lighting units429US 5,890,794 A1999
- Microprocessor based simulated electronic flame422US 5,924,784 A1999
- LED replacement for fluorescent lighting371US 6,860,628 B22005
- Compact, flexible, LED array320US 6,371,637 B1Radiantz, Inc. · 2002
- Wireless emergency safety light with sensing means for conventional light switch or plug receptacle292US 6,010,228 A2000