F21S 10/043
By selectively switching fixed light sources
Official title: {by selectively switching fixed light sources}
F21S10/043 (By selectively switching fixed light sources) appears on 170 US grants and 173 published applications in this corpus.
Search patents in F21S- Granted patents
- 170
- Published applications
- 173
- Assignees
- 78
- Inventors
- 224
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 3 | 5 |
| 2015 | 4 | 10 |
| 2016 | 9 | 14 |
| 2017 | 11 | 16 |
| 2018 | 14 | 16 |
| 2019 | 23 | 20 |
| 2020 | 11 | 13 |
| 2021 | 27 | 19 |
| 2022 | 16 | 11 |
| 2023 | 12 | 10 |
| 2024 | 12 | 14 |
| 2025 | 14 | 12 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Microprocessor based simulated electronic flame422US 5,924,784 A1999
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