F21S 41/37
Characterised by their material, surface treatment or coatings
Official title: characterised by their material, surface treatment or coatings
F21S41/37 (Characterised by their material, surface treatment or coatings) appears on 348 US grants and 326 published applications in this corpus.
Search patents in F21S- Granted patents
- 348
- Published applications
- 326
- Assignees
- 202
- Inventors
- 799
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 8 |
| 2002 | 7 | 6 |
| 2003 | 10 | 11 |
| 2004 | 5 | 10 |
| 2005 | 6 | 7 |
| 2006 | 8 | 10 |
| 2007 | 8 | 12 |
| 2008 | 4 | 7 |
| 2009 | 3 | 6 |
| 2010 | 7 | 7 |
| 2011 | 3 | 4 |
| 2012 | 2 | 14 |
| 2013 | 6 | 9 |
| 2014 | 9 | 14 |
| 2015 | 9 | 14 |
| 2016 | 9 | 15 |
| 2017 | 15 | 30 |
| 2018 | 21 | 21 |
| 2019 | 30 | 21 |
| 2020 | 18 | 14 |
| 2021 | 17 | 13 |
| 2022 | 13 | 21 |
| 2023 | 15 | 16 |
| 2024 | 16 | 18 |
| 2025 | 19 | 12 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor-vehicle lighting module that produces a cutoff with a reflector the surface of which is partially grained22 Sep 2026US 12,742,531 B2Valeo Vision
- Exterior lighting system for a vehicle18 Aug 2026US 12,709,219 B2Volvo Truck Corporation
- Vehicle lamp18 Aug 2026US 12,710,150 B2SL Corporation
- Method and system to provide a repositionable translucent cast vinyl film with an air-egress adhesive layer11 Aug 2026US 12,703,811 B2Luxe Lightwrap LLC
- Lighting device including sensor that transmits and receives and lamp including the same21 Jul 2026US 12,687,275 B2LG Innotek Co., Ltd.
- Light guide component, lighting or signal indication device and motor vehcile17 Sep 2026US 2026/0276163 A1Valeo Vision
- Lighting device for a motor vehicle27 Aug 2026US 2026/0251277 A1Hella GmbH & Co. KGaA
- Vehicle lighting device23 Jul 2026US 2026/0210513 A1Koito Manufacturing Co., Ltd.
- Optical device and vehicle equipped with the same16 Jul 2026US 2026/0202031 A1Hyundai Mobis Co., Ltd.
- Lamp body structure18 Jun 2026US 2026/0168640 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Light emitting diode lamp597US 4,935,665 AMitsubishi Cable Industries, Ltd. · 1990
- Optical system using LED coupled with phosphor-doped reflective materials206US 7,144,131 B2Advanced Optical Technologies, LLC · 2006
- Thermally-conductive plastic articles having light reflecting surfaces167US 7,235,918 B2Cool Options, Inc. · 2007
- Low-profile luminaire having a reflector for mixing light from a multi-color linear array of LEDs152US 6,257,737 B12001
- Integrated light and accessory assembly89US 7,048,423 B2Visteon Global Technologies, Inc. · 2006