F21S 43/281
Materials thereof
Official title: {Materials thereof; Structures thereof; Properties thereof; Coatings thereof}
F21S43/281 (Materials thereof) appears on 353 US grants and 438 published applications in this corpus.
Search patents in F21S- Granted patents
- 353
- Published applications
- 438
- Assignees
- 132
- Inventors
- 656
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 5 |
| 2014 | 1 | 10 |
| 2015 | 5 | 14 |
| 2016 | 6 | 4 |
| 2017 | 13 | 66 |
| 2018 | 23 | 6 |
| 2019 | 38 | 25 |
| 2020 | 26 | 28 |
| 2021 | 34 | 54 |
| 2022 | 60 | 61 |
| 2023 | 36 | 28 |
| 2024 | 32 | 50 |
| 2025 | 48 | 46 |
| 2026 | 20 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lighting device for a motor vehicle8 Sep 2026US 12,729,826 B2Hella GmbH & Co. KGaA
- Lighting arrangement, vehicle light and vehicle1 Sep 2026US 12,723,729 B2Bayerische Motoren Werke Aktiengesellschaft
- Vehicle light-emitting component1 Sep 2026US 12,723,730 B2Toyoda Gosei Co., Ltd.
- Lighting device including sensor that transmits and receives and lamp including the same21 Jul 2026US 12,687,275 B2LG Innotek Co., Ltd.
- Lighting device and vehicle lamp comprising same16 Jun 2026US 12,655,957 B2LG Innotek Co., Ltd.
- Headlight arrangement for a vehicle3 Sep 2026US 2026/0257611 A1Mercedes-Benz Group AG
- Lighting device27 Aug 2026US 2026/0251276 A1LG Innotek Co., Ltd.
- Vehicle lamp27 Aug 2026US 2026/0251280 A1Ichikoh Industries, Ltd.
- Lighting module and lighting device6 Aug 2026US 2026/0231588 A1LG Innotek Co., Ltd.
- Micro-led light strips or fixtures for the transportation industry30 Jul 2026US 2026/0218873 A1VueReal Inc.
Most cited
By later US patents
- Wide-area lamp114US 4,975,814 ATelefunken electronic GmbH · 1990
- Rear window stop lamp for motor vehicles97US 5,241,457 ANippon Sheet Glass Co., Ltd. · 1993
- Display illumination device with a film-based lightguide having stacked incident surfaces66US 9,028,123 B2FLEx Lighting II, LLC · 2015
- Uniform illumination of large, thin surfaces particularly suited for automotive applications61US 5,101,325 AGeneral Electric Company · 1992
- Rugged, waterproof LED array lighting system52US 6,595,671 B22003