F21S 43/31
Optical layout thereof
F21S43/31 (Optical layout thereof) appears on 854 US grants and 925 published applications in this corpus.
Search patents in F21S- Granted patents
- 854
- Published applications
- 925
- Assignees
- 261
- Inventors
- 1,503
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 9 | 7 |
| 2003 | 10 | 10 |
| 2004 | 12 | 11 |
| 2005 | 6 | 21 |
| 2006 | 15 | 11 |
| 2007 | 10 | 7 |
| 2008 | 7 | 9 |
| 2009 | 10 | 7 |
| 2010 | 4 | 9 |
| 2011 | 2 | 7 |
| 2012 | 6 | 17 |
| 2013 | 14 | 17 |
| 2014 | 18 | 41 |
| 2015 | 17 | 44 |
| 2016 | 37 | 52 |
| 2017 | 31 | 83 |
| 2018 | 67 | 66 |
| 2019 | 97 | 79 |
| 2020 | 89 | 47 |
| 2021 | 53 | 53 |
| 2022 | 65 | 68 |
| 2023 | 71 | 72 |
| 2024 | 66 | 70 |
| 2025 | 73 | 55 |
| 2026 | 34 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vehicle lamp assembly6 Oct 2026US 12,753,899 B1Honda Motor Co., Ltd.
- Optical component, lighting device, and motor vehicle22 Sep 2026US 12,742,534 B2Valeo Vision
- Lighting device for a motor vehicle8 Sep 2026US 12,729,826 B2Hella GmbH & Co. KGaA
- Lighting device1 Sep 2026US 12,723,727 B2LG Innotek Co., Ltd.
- Vehicle lighting device and vehicle lamp1 Sep 2026US 12,723,731 B2Toshiba Lighting & Technology Corporation
- Vehicle light and light system with decorative lighting feature1 Oct 2026US 2026/0298433 A1Yourtruckshop Inc.
- Arrangement of optical components for a lighting device for a motor vehicle and a lighting device for the tail section of a motor vehicle1 Oct 2026US 2026/0298435 A1Hella GmbH & Co. KGaA
- Lighting device and vehicle lamp comprising same24 Sep 2026US 2026/0287139 A1LG Innotek Co., Ltd.
- Light guide component, lighting or signal indication device and motor vehcile17 Sep 2026US 2026/0276163 A1Valeo Vision
- Linear light-emitting device, lamp assembly, and vehicle17 Sep 2026US 2026/0276166 A1Valeo Vision
Most cited
By later US patents
- LED light assembly282US 6,641,284 B2Whelen Engineering Company, Inc. · 2003
- Light emitting diode 360° warning lamp261US 6,183,100 B2Truck-Lite Co., LLC · 2001
- Collimating lamp244US 6,527,411 B1Visteon Corporation · 2003
- Bireflective lens element169US 6,097,549 ABreault Research Organization, Inc. · 2000
- Rear combination lamp assembly for vehicles154US 4,868,719 AStanley Electric Co., Ltd. · 1989