F21Y
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 the form or the kind of the light sources or of the colour of the light emitted
F21Y (Indexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to) appears on 31,011 US grants and 36,397 published applications in this corpus.
Search patents in F21Y- Granted patents
- 31,011
- Published applications
- 36,397
- Assignees
- 8,249
- Inventors
- 39,508
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 15 | 0 |
| 1978 | 20 | 0 |
| 1979 | 21 | 0 |
| 1980 | 22 | 0 |
| 1981 | 25 | 0 |
| 1982 | 32 | 0 |
| 1983 | 26 | 0 |
| 1984 | 24 | 0 |
| 1985 | 34 | 0 |
| 1986 | 38 | 0 |
| 1987 | 39 | 0 |
| 1988 | 43 | 0 |
| 1989 | 51 | 0 |
| 1990 | 47 | 0 |
| 1991 | 53 | 0 |
| 1992 | 68 | 0 |
| 1993 | 48 | 0 |
| 1994 | 45 | 0 |
| 1995 | 68 | 0 |
| 1996 | 78 | 0 |
| 1997 | 76 | 0 |
| 1998 | 112 | 0 |
| 1999 | 98 | 0 |
| 2000 | 141 | 0 |
| 2001 | 187 | 58 |
| 2002 | 216 | 276 |
| 2003 | 288 | 352 |
| 2004 | 267 | 506 |
| 2005 | 293 | 675 |
| 2006 | 409 | 739 |
| 2007 | 471 | 758 |
| 2008 | 411 | 1007 |
| 2009 | 522 | 1283 |
| 2010 | 793 | 1586 |
| 2011 | 876 | 1740 |
| 2012 | 1096 | 1892 |
| 2013 | 1339 | 2008 |
| 2014 | 1426 | 1990 |
| 2015 | 1497 | 2288 |
| 2016 | 1639 | 2151 |
| 2017 | 1919 | 2340 |
| 2018 | 2091 | 2293 |
| 2019 | 2632 | 2247 |
| 2020 | 2395 | 2115 |
| 2021 | 1994 | 1773 |
| 2022 | 1792 | 1545 |
| 2023 | 1550 | 1375 |
| 2024 | 1536 | 1340 |
| 2025 | 1347 | 1188 |
| 2026 | 784 | 872 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- F21Y 2115/00Light-generating elements of semiconductor light sourcesIndexing code28,358
- F21Y 2103/00Elongate light sourcesIndexing code6,674
- F21Y 2105/00Planar light sourcesIndexing code4,888
- F21Y 2113/00Combination of light sourcesIndexing code3,536
- F21Y 2107/00Light sources with three-dimensionally disposed light-generating elementsIndexing code1,997
- F21Y 2101/00Point-like light sourcesIndexing code1,244
- F21Y 2109/00Light sources with light-generating elements disposed on transparent or translucent supports orIndexing code109
- F21Y 2111/00Light sources of a form not covered by groups f21y2101/00-f21y2107/00Indexing code24
Recent patents
- Caulk nozzle lighting system6 Oct 2026US 12,752,298 B2
- Emitter assembly for a lighting device6 Oct 2026US 12,753,886 B2Lutron Technology Company LLC
- LED light source comprising hollow pedestal supporting transparent optical element6 Oct 2026US 12,753,887 B2Lumileds LLC
- Lighting module, lighting device and lamp6 Oct 2026US 12,753,888 B2LG Innotek Co., Ltd.
- Recessed lighting with a reinforced collar6 Oct 2026US 12,753,889 B2Signify Holding B. V.
- Lighting element with insect repelling element8 Oct 2026US 2026/0305598 A1PIC Corporation
- An Aerosol Generating Device and a Method for Making a Light Diffuser for an Aerosol Generating Device8 Oct 2026US 2026/0305724 A1JT International SA
- Portable lighting device with a flexible and deployable led lighting element8 Oct 2026US 2026/0309287 A1Promier Products Inc.
- Light assembly8 Oct 2026US 2026/0309288 A1Vista Manufacturing, Inc.
- Track-based lighting system8 Oct 2026US 2026/0309289 A1Signify Holding B. V.
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
- Preparedness flashlight1,025US 7,780,309 B2Eveready Battery Company, Inc. · 2010
- Universal lighting network methods and systems1,007US 6,548,967 B1Color Kinetics Incorporated · 2003
- Lighting entertainment system987US 6,166,496 AColor Kinetics Incorporated · 2000