F21S 41/33
Multi-surface reflectors
Official title: Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
F21S41/33 (Multi-surface reflectors) appears on 871 US grants and 711 published applications in this corpus.
Search patents in F21S- Granted patents
- 871
- Published applications
- 711
- Assignees
- 202
- Inventors
- 1,131
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 15 | 0 |
| 1991 | 16 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 16 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 9 | 0 |
| 1999 | 24 | 0 |
| 2000 | 15 | 0 |
| 2001 | 12 | 11 |
| 2002 | 17 | 13 |
| 2003 | 16 | 18 |
| 2004 | 16 | 18 |
| 2005 | 14 | 19 |
| 2006 | 22 | 18 |
| 2007 | 10 | 19 |
| 2008 | 19 | 16 |
| 2009 | 10 | 18 |
| 2010 | 20 | 20 |
| 2011 | 10 | 23 |
| 2012 | 10 | 30 |
| 2013 | 26 | 29 |
| 2014 | 27 | 38 |
| 2015 | 27 | 50 |
| 2016 | 37 | 50 |
| 2017 | 42 | 58 |
| 2018 | 57 | 50 |
| 2019 | 73 | 38 |
| 2020 | 43 | 28 |
| 2021 | 34 | 35 |
| 2022 | 39 | 32 |
| 2023 | 37 | 29 |
| 2024 | 32 | 27 |
| 2025 | 30 | 14 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Optical component, lighting device, and motor vehicle22 Sep 2026US 12,742,534 B2Valeo Vision
- Light module for a lighting device of a motor vehicle1 Sep 2026US 12,723,726 B2Valeo Vision
- Light-emitting unit for a light-emitting module for a vehicle18 Aug 2026US 12,710,153 B2Valeo Vision
- Motor vehicle lighting device2 Jun 2026US 12,644,573 B2Valeo Vision
- Lighting device for a motor vehicle23 Jul 2026US 2026/0210512 A1Valeo Vision
- 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.
- Lighting device for a motor vehicle, comprising at least one diaphragm2 Jul 2026US 2026/0185673 A1Valeo Vision
- Vehicle lamp25 Jun 2026US 2026/0177219 A1Ichikoh Industries, Ltd.
Most cited
By later US patents
- Optical manifold for light-emitting diodes187US 7,286,296 B2Light Prescriptions Innovators, LLC · 2007
- Axial LED source128US 7,048,412 B2Lumileds Lighting U.S., LLC · 2006
- Integrated light and accessory assembly89US 7,048,423 B2Visteon Global Technologies, Inc. · 2006
- Reflector apparatus for a tubular light source66US 6,953,261 B1North American Lighting, Inc. · 2005
- Faceted reflector for headlamps56US 4,704,661 AGeneral Electric Company · 1987