F21W 2111/00
Use or application of lighting devices or systems for signalling, marking or
Official title: Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
F21W2111/00 (Use or application of lighting devices or systems for signalling, marking or) appears on 1,822 US grants and 1,517 published applications in this corpus.
Search patents in F21W- Granted patents
- 1,822
- Published applications
- 1,517
- Assignees
- 915
- Inventors
- 3,114
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 13 | 0 |
| 1979 | 12 | 0 |
| 1980 | 5 | 0 |
| 1981 | 11 | 0 |
| 1982 | 10 | 0 |
| 1983 | 16 | 0 |
| 1984 | 19 | 0 |
| 1985 | 11 | 0 |
| 1986 | 14 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 19 | 0 |
| 1990 | 18 | 0 |
| 1991 | 24 | 0 |
| 1992 | 28 | 0 |
| 1993 | 20 | 0 |
| 1994 | 21 | 0 |
| 1995 | 27 | 0 |
| 1996 | 26 | 0 |
| 1997 | 35 | 0 |
| 1998 | 30 | 0 |
| 1999 | 30 | 0 |
| 2000 | 39 | 0 |
| 2001 | 38 | 9 |
| 2002 | 43 | 41 |
| 2003 | 41 | 46 |
| 2004 | 33 | 34 |
| 2005 | 31 | 60 |
| 2006 | 42 | 61 |
| 2007 | 49 | 55 |
| 2008 | 39 | 61 |
| 2009 | 35 | 60 |
| 2010 | 53 | 58 |
| 2011 | 41 | 59 |
| 2012 | 34 | 58 |
| 2013 | 56 | 72 |
| 2014 | 50 | 60 |
| 2015 | 51 | 103 |
| 2016 | 79 | 84 |
| 2017 | 85 | 102 |
| 2018 | 95 | 90 |
| 2019 | 92 | 76 |
| 2020 | 99 | 85 |
| 2021 | 64 | 63 |
| 2022 | 72 | 54 |
| 2023 | 44 | 36 |
| 2024 | 35 | 32 |
| 2025 | 27 | 29 |
| 2026 | 24 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F21W 2111/02Use or application of lighting devices or systems for signalling, marking orIndexing code633
- F21W 2111/06Use or application of lighting devices or systems for signalling, marking orIndexing code326
- F21W 2111/10Use or application of lighting devices or systems for signalling, marking orIndexing code231
- F21W 2111/08Use or application of lighting devices or systems for signalling, marking orIndexing code86
- F21W 2111/04Use or application of lighting devices or systems for signalling, marking orIndexing code84
Recent patents
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- Illumination device assembly for helmets17 Sep 2026US 2026/0272094 A1
- Use of retaining member in a shaving unit for light guiding27 Aug 2026US 2026/0249497 A1Koninklijke Philips N. V.
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Most cited
By later US patents
- Illumination components1,698US 6,211,626 B1Color Kinetics Incorporated · 2001
- Multicolored LED lighting method and apparatus1,174US 6,016,038 AColor Kinetics Incorporated · 2000
- Lighting entertainment system987US 6,166,496 AColor Kinetics Incorporated · 2000
- Multicolored LED lighting method and apparatus852US 6,150,774 AColor Kinetics Incorporated · 2000
- Smart light bulb852US 6,528,954 B1Color Kinetics Incorporated · 2003