F21S 43/247
With a single light source being coupled into the light guide
Official title: with a single light source being coupled into the light guide
F21S43/247 (With a single light source being coupled into the light guide) appears on 381 US grants and 368 published applications in this corpus.
Search patents in F21S- Granted patents
- 381
- Published applications
- 368
- Assignees
- 147
- Inventors
- 810
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 4 |
| 2003 | 3 | 3 |
| 2004 | 2 | 11 |
| 2005 | 10 | 6 |
| 2006 | 6 | 8 |
| 2007 | 2 | 4 |
| 2008 | 10 | 12 |
| 2009 | 4 | 6 |
| 2010 | 3 | 3 |
| 2011 | 5 | 8 |
| 2012 | 2 | 11 |
| 2013 | 9 | 11 |
| 2014 | 8 | 21 |
| 2015 | 14 | 28 |
| 2016 | 16 | 23 |
| 2017 | 18 | 30 |
| 2018 | 36 | 32 |
| 2019 | 41 | 30 |
| 2020 | 31 | 18 |
| 2021 | 16 | 11 |
| 2022 | 16 | 14 |
| 2023 | 20 | 25 |
| 2024 | 27 | 27 |
| 2025 | 20 | 8 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle lamp8 Sep 2026US 12,729,823 B2Stanley Electric Co., Ltd.
- Lamp for vehicle1 Sep 2026US 12,723,728 B2Hyundai Mobis Co., Ltd.
- Lighting device for a motor vehicle18 Aug 2026US 12,710,154 B2Hella GmbH & Co. KGaA
- Lightguide for a vehicle lamp, vehicle lamp, mould for moulding the lightguide and method of manufacturing the mould11 Aug 2026US 12,704,235 B2Hella Autotechnik Nova S.R.O.
- High efficiency stop lamp19 May 2026US 12,631,310 B1Ford Global Technologies, LLC
- Lighting apparatus for vehicles23 Jul 2026US 2026/0210519 A1Hella GmbH & Co. KGaA
- Turn lamp2 Jul 2026US 2026/0185676 A1Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Vehicle lamp18 Jun 2026US 2026/0168641 A1Stanley Electric Co., Ltd.
- Lamp for vehicle18 Jun 2026US 2026/0168642 A1Hyundai Mobis Co., Ltd.
- Optical device and vehicle including the same18 Jun 2026US 2026/0173231 A1Hyundai Mobis Co., Ltd.
Most cited
By later US patents
- Vehicle lighting having remote light source298US 5,709,453 A1998
- Quarter-wave film for brightness enhancement of holographic thin taillamp270US 5,745,266 ARaytheon Company · 1998
- Exterior rearview mirror for vehicles, preferably motor vehicles222US 6,139,171 AReitter & Schefenacker GmbH & Co. KG · 2000
- Multi-function vehicle taillight system with unitary optic206US 6,102,559 AFord Motor Company · 2000
- Light expanding system for producing a linear or planar light beam from a point-like light source189US 5,835,661 A1998