F21W
Indexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to
Official title: Indexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems
F21W (Indexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to) appears on 14,253 US grants and 14,118 published applications in this corpus.
Search patents in F21W- Granted patents
- 14,253
- Published applications
- 14,118
- Assignees
- 4,671
- Inventors
- 20,235
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 40 | 0 |
| 1977 | 37 | 0 |
| 1978 | 44 | 0 |
| 1979 | 35 | 0 |
| 1980 | 44 | 0 |
| 1981 | 44 | 0 |
| 1982 | 34 | 0 |
| 1983 | 50 | 0 |
| 1984 | 54 | 0 |
| 1985 | 52 | 0 |
| 1986 | 67 | 0 |
| 1987 | 65 | 0 |
| 1988 | 61 | 0 |
| 1989 | 87 | 0 |
| 1990 | 88 | 0 |
| 1991 | 117 | 0 |
| 1992 | 107 | 0 |
| 1993 | 95 | 0 |
| 1994 | 100 | 0 |
| 1995 | 115 | 0 |
| 1996 | 106 | 0 |
| 1997 | 129 | 0 |
| 1998 | 141 | 0 |
| 1999 | 153 | 0 |
| 2000 | 181 | 0 |
| 2001 | 219 | 59 |
| 2002 | 240 | 260 |
| 2003 | 251 | 255 |
| 2004 | 193 | 240 |
| 2005 | 195 | 324 |
| 2006 | 202 | 388 |
| 2007 | 245 | 373 |
| 2008 | 216 | 422 |
| 2009 | 227 | 522 |
| 2010 | 341 | 531 |
| 2011 | 342 | 543 |
| 2012 | 399 | 514 |
| 2013 | 417 | 557 |
| 2014 | 417 | 539 |
| 2015 | 451 | 805 |
| 2016 | 520 | 706 |
| 2017 | 681 | 802 |
| 2018 | 729 | 864 |
| 2019 | 957 | 842 |
| 2020 | 955 | 875 |
| 2021 | 819 | 742 |
| 2022 | 755 | 654 |
| 2023 | 711 | 654 |
| 2024 | 716 | 686 |
| 2025 | 637 | 526 |
| 2026 | 372 | 435 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- F21W 2131/00Use or application of lighting devices or systems not provided for inIndexing code7,538
- F21W 2121/00Use or application of lighting devices or systems for decorative purposes, notIndexing code2,845
- F21W 2111/00Use or application of lighting devices or systems for signalling, marking orIndexing code1,822
- F21W 2102/00Exterior vehicle lighting devices for illuminating purposesIndexing code1,241
- F21W 2103/00Exterior vehicle lighting devices for signalling purposesIndexing code830
- F21W 2107/00Use or application of lighting devices on or in particular types ofIndexing code760
- F21W 2106/00Interior vehicle lighting devicesIndexing code250
- F21W 2104/00Exterior vehicle lighting devices for decorative purposesIndexing code144
All 9 main groupsShow fewer
Recent patents
- Caulk nozzle lighting system6 Oct 2026US 12,752,298 B2
- Solar-powered personalized stickers and decals6 Oct 2026US 12,753,891 B1
- Vehicle lamp fitting6 Oct 2026US 12,753,893 B2Stanley Electric Co., Ltd.
- Vehicle lamp6 Oct 2026US 12,753,896 B2SL Corporation
- Light module and lighting device for a motor vehicle6 Oct 2026US 12,753,897 B2Hella Saturnus Slovenija d.o.o.
- Trimming tool8 Oct 2026US 2026/0305536 A1Lawnix Technology (Nanjing) Co., Ltd.
- Airframe system and method of controlling airflow8 Oct 2026US 2026/0306210 A1SLD Technology, Inc.
- Luminaire assembly, system and method8 Oct 2026US 2026/0309290 A1Signify Holding B. V.
- Stage light fixture having multi-colored zone effect element8 Oct 2026US 2026/0309291 A1Guangzhou Haoyang Electronic Co., Ltd.
- Vehicle lamp and light guide body8 Oct 2026US 2026/0309298 A1Stanley Electric Co., Ltd.
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
- Illuminator assembly incorporating light emitting diodes881US 5,803,579 AGentex Corporation · 1998
- Multicolored LED lighting method and apparatus852US 6,150,774 AColor Kinetics Incorporated · 2000