F21W 2111/10
Use or application of lighting devices or systems for signalling, marking or
Official title: for personal use, e.g. hand-held
F21W2111/10 (Use or application of lighting devices or systems for signalling, marking or) appears on 231 US grants and 260 published applications in this corpus.
Search patents in F21W- Granted patents
- 231
- Published applications
- 260
- Assignees
- 116
- Inventors
- 408
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 9 | 0 |
| 2002 | 2 | 5 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 6 |
| 2006 | 3 | 5 |
| 2007 | 5 | 5 |
| 2008 | 2 | 7 |
| 2009 | 1 | 5 |
| 2010 | 4 | 7 |
| 2011 | 4 | 8 |
| 2012 | 3 | 5 |
| 2013 | 6 | 9 |
| 2014 | 6 | 6 |
| 2015 | 8 | 37 |
| 2016 | 18 | 17 |
| 2017 | 16 | 25 |
| 2018 | 20 | 19 |
| 2019 | 17 | 13 |
| 2020 | 25 | 20 |
| 2021 | 16 | 9 |
| 2022 | 12 | 10 |
| 2023 | 14 | 8 |
| 2024 | 7 | 11 |
| 2025 | 8 | 8 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Light emitting diode based products315US 7,161,313 B2Color Kinetics Incorporated · 2007
- Low power safety flasher178US 5,006,971 A1991
- Eyewear with multi-part temple for supporting one or more electrical components138US 8,465,151 B2IpVenture, Inc. · 2013
- High power LED lamp structure using phase change cooling enhancements for LED lighting products127US 6,452,217 B1General Electric Company · 2002
- Traffic police baton with means to indicate the direction in the night94US 5,081,568 A1992