F21Y 2103/00
Elongate light sources
Official title: Elongate light sources, e.g. fluorescent tubes
F21Y2103/00 (Elongate light sources) appears on 6,674 US grants and 6,952 published applications in this corpus.
Search patents in F21Y- Granted patents
- 6,674
- Published applications
- 6,952
- Assignees
- 2,416
- Inventors
- 10,095
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 13 | 0 |
| 1978 | 17 | 0 |
| 1979 | 16 | 0 |
| 1980 | 18 | 0 |
| 1981 | 21 | 0 |
| 1982 | 24 | 0 |
| 1983 | 22 | 0 |
| 1984 | 17 | 0 |
| 1985 | 28 | 0 |
| 1986 | 33 | 0 |
| 1987 | 24 | 0 |
| 1988 | 31 | 0 |
| 1989 | 43 | 0 |
| 1990 | 32 | 0 |
| 1991 | 32 | 0 |
| 1992 | 41 | 0 |
| 1993 | 38 | 0 |
| 1994 | 31 | 0 |
| 1995 | 44 | 0 |
| 1996 | 53 | 0 |
| 1997 | 41 | 0 |
| 1998 | 60 | 0 |
| 1999 | 42 | 0 |
| 2000 | 60 | 0 |
| 2001 | 62 | 15 |
| 2002 | 65 | 68 |
| 2003 | 84 | 79 |
| 2004 | 61 | 91 |
| 2005 | 65 | 124 |
| 2006 | 79 | 114 |
| 2007 | 96 | 121 |
| 2008 | 56 | 154 |
| 2009 | 117 | 223 |
| 2010 | 127 | 316 |
| 2011 | 172 | 320 |
| 2012 | 198 | 332 |
| 2013 | 229 | 386 |
| 2014 | 274 | 393 |
| 2015 | 277 | 389 |
| 2016 | 314 | 421 |
| 2017 | 374 | 430 |
| 2018 | 393 | 445 |
| 2019 | 536 | 507 |
| 2020 | 546 | 499 |
| 2021 | 463 | 362 |
| 2022 | 349 | 277 |
| 2023 | 284 | 264 |
| 2024 | 304 | 246 |
| 2025 | 225 | 210 |
| 2026 | 128 | 166 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lighting module, lighting device and lamp6 Oct 2026US 12,753,888 B2LG Innotek Co., Ltd.
- LED lamp and misuse warning module thereof29 Sep 2026US 12,747,836 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- LED filament and a lamp29 Sep 2026US 12,747,840 B2Signify Holding B. V.
- LED lamp29 Sep 2026US 12,747,856 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Lighting fixture22 Sep 2026US 12,742,527 B2QTran, Inc.
- 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.
- Track-based lighting system8 Oct 2026US 2026/0309289 A1Signify Holding B. V.
- Foldable Luminaires8 Oct 2026US 2026/0309315 A1Signify Holding B. V.
- Motion-activated illumination system for apparel and objects8 Oct 2026US 2026/0313770 A1
Most cited
By later US patents
- Systems and methods for generating and modulating illumination conditions693US 7,014,336 B1Color Kinetics Incorporated · 2006
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- Light emitting diode retrofit lamp552US 5,463,280 ANational Service Industries, Inc. · 1995
- Illuminating device487US 5,136,483 A1992
- Methods and apparatus for generating and modulating illumination conditions461US 7,255,457 B2Color Kinetics Incorporated · 2007