F21S 10/00
Lighting devices or systems producing a varying lighting effect
F21S10/00 (Lighting devices or systems producing a varying lighting effect) appears on 2,432 US grants and 2,490 published applications in this corpus.
Search patents in F21S- Granted patents
- 2,432
- Published applications
- 2,490
- Assignees
- 938
- Inventors
- 3,334
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 12 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 18 | 0 |
| 1990 | 18 | 0 |
| 1991 | 18 | 0 |
| 1992 | 15 | 0 |
| 1993 | 15 | 0 |
| 1994 | 4 | 0 |
| 1995 | 16 | 0 |
| 1996 | 11 | 0 |
| 1997 | 20 | 0 |
| 1998 | 33 | 0 |
| 1999 | 31 | 0 |
| 2000 | 29 | 0 |
| 2001 | 30 | 10 |
| 2002 | 49 | 52 |
| 2003 | 42 | 62 |
| 2004 | 45 | 74 |
| 2005 | 41 | 68 |
| 2006 | 59 | 87 |
| 2007 | 35 | 74 |
| 2008 | 35 | 79 |
| 2009 | 45 | 82 |
| 2010 | 58 | 81 |
| 2011 | 48 | 60 |
| 2012 | 59 | 72 |
| 2013 | 45 | 78 |
| 2014 | 73 | 126 |
| 2015 | 85 | 123 |
| 2016 | 98 | 119 |
| 2017 | 116 | 158 |
| 2018 | 125 | 155 |
| 2019 | 181 | 184 |
| 2020 | 139 | 145 |
| 2021 | 169 | 139 |
| 2022 | 152 | 117 |
| 2023 | 124 | 113 |
| 2024 | 127 | 107 |
| 2025 | 88 | 78 |
| 2026 | 48 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F21S 10/02Changing colors668
- F21S 10/04Simulating flames581
- F21S 10/007Lighting devices or systems producing a varying lighting effect: using rotating transparent390
- F21S 10/06Flashing375
- F21S 10/002Lighting devices or systems producing a varying lighting effect: using liquids292
- F21S 10/005Lighting devices or systems producing a varying lighting effect: using light guides187
Recent patents
- Dust cap illumination15 Sep 2026US 12,739,547 B2Harman International Industries, Incorporated
- Progressive frost in a luminaire8 Sep 2026US 12,729,831 B2Robe Lighting s.r.o.
- Lighting device or lamp with configurable beam angle and/or profile8 Sep 2026US 12,729,844 B2Feit Electric Company, Inc.
- Flame simulating assembly with a reflective light system and a clear specular reflective panel25 Aug 2026US 12,716,560 B2Living Style (B.V.I.) Limited
- Insect repellant device with simulated flame11 Aug 2026US 12,702,129 B2PIC Corporation
- Stage light fixture having multi-colored zone effect element8 Oct 2026US 2026/0309291 A1Guangzhou Haoyang Electronic Co., Ltd.
- Water feature with integrated lighting system1 Oct 2026US 2026/0298428 A1Bellson Electric Pty Ltd
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Scented electronic candle device1 Oct 2026US 2026/0298430 A1L&L Candle Company, LLC
- Thermally-managed electronic scenting candle simulator with realistic fragrance emission24 Sep 2026US 2026/0284250 A1The Wild Worksmen, LLC dba Bianchi Candle Co.
Most cited
By later US patents
- LED beacon light704US 5,806,965 AR & M Deese Inc. · 1998
- LED lamp with reflector and multicolor adjuster484US 6,149,283 ARensselaer Polytechnic Institute (RPI) · 2000
- Microprocessor based simulated electronic flame422US 5,924,784 A1999
- Computer controlled lighting system having automatically variable position, color, intensity and beam divergence386US 4,392,187 AVari-Lite, Inc. · 1983
- Par 36 LED utility lamp382US 6,367,949 B1911 Emergency Products, Inc. · 2002