F21S 43/20
Signalling devices specially adapted for vehicle exteriors: characterised by refractors, transparent cover
Official title: characterised by refractors, transparent cover plates, light guides or filters
F21S43/20 (Signalling devices specially adapted for vehicle exteriors: characterised by refractors, transparent cover) appears on 2,748 US grants and 2,917 published applications in this corpus.
Search patents in F21S- Granted patents
- 2,748
- Published applications
- 2,917
- Assignees
- 617
- Inventors
- 4,162
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 18 | 0 |
| 1997 | 14 | 0 |
| 1998 | 18 | 0 |
| 1999 | 12 | 0 |
| 2000 | 22 | 0 |
| 2001 | 24 | 9 |
| 2002 | 30 | 28 |
| 2003 | 34 | 34 |
| 2004 | 23 | 36 |
| 2005 | 24 | 36 |
| 2006 | 27 | 47 |
| 2007 | 23 | 34 |
| 2008 | 32 | 40 |
| 2009 | 21 | 28 |
| 2010 | 25 | 29 |
| 2011 | 21 | 42 |
| 2012 | 16 | 55 |
| 2013 | 39 | 70 |
| 2014 | 53 | 131 |
| 2015 | 75 | 167 |
| 2016 | 102 | 163 |
| 2017 | 134 | 193 |
| 2018 | 197 | 216 |
| 2019 | 270 | 242 |
| 2020 | 253 | 187 |
| 2021 | 184 | 154 |
| 2022 | 187 | 207 |
| 2023 | 189 | 201 |
| 2024 | 216 | 239 |
| 2025 | 219 | 172 |
| 2026 | 122 | 157 |
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.
- Vehicle lamp assembly6 Oct 2026US 12,753,899 B1Honda Motor Co., Ltd.
- Aircraft tail navigation light, aircraft comprising an aircraft tail navigation light, and method of operating an aircraft tail navigation light6 Oct 2026US 12,753,901 B2Goodrich Lighting Systems GmbH
- Vehicle lamp29 Sep 2026US 12,747,844 B2Stanley Electric Co., Ltd.
- Optical component, lighting device, and motor vehicle22 Sep 2026US 12,742,534 B2Valeo Vision
- Component for a lighting device for a motor vehicle, connection arrangement, and method for disconnecting a connection arrangement8 Oct 2026US 2026/0309294 A1Hella GmbH & Co. KGaA
- Vehicle lamp and light guide body8 Oct 2026US 2026/0309298 A1Stanley Electric Co., Ltd.
- Colored projection by multi-lens array projector8 Oct 2026US 2026/0309299 A1ams-OSRAM Asia Pacific Pte. Ltd.
- Projection device8 Oct 2026US 2026/0309300 A1Koito Manufacturing Co., Ltd.
- Vehicle light and light system with decorative lighting feature1 Oct 2026US 2026/0298433 A1Yourtruckshop Inc.
Most cited
By later US patents
- Illuminator assembly incorporating light emitting diodes881US 5,803,579 AGentex Corporation · 1998
- LED vehicle lamp assembly654US 5,632,551 AGrote Industries, Inc. · 1997
- Led assembly631US 6,132,072 AGentex Corporation · 2000
- Vehicular lamp502US 4,733,335 AKoito Manufacturing Co., Ltd. · 1988
- Illuminating device487US 5,136,483 A1992