F21V 5/005
Using microprisms
Official title: {using microprisms}
F21V5/005 (Using microprisms) appears on 158 US grants and 185 published applications in this corpus.
Search patents in F21V- Granted patents
- 158
- Published applications
- 185
- Assignees
- 105
- Inventors
- 375
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 2 | 4 |
| 2014 | 0 | 7 |
| 2015 | 5 | 15 |
| 2016 | 9 | 13 |
| 2017 | 10 | 9 |
| 2018 | 9 | 11 |
| 2019 | 11 | 13 |
| 2020 | 19 | 21 |
| 2021 | 18 | 18 |
| 2022 | 20 | 17 |
| 2023 | 20 | 15 |
| 2024 | 10 | 17 |
| 2025 | 11 | 9 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Progressive frost in a luminaire8 Sep 2026US 12,729,831 B2Robe Lighting s.r.o.
- Lens for retrofitting a lighting system with LED lights21 Jul 2026US 12,690,120 B2
- Lens assembly and lighting apparatus using same12 May 2026US 12,624,820 B1Hyundai Mobis Co., Ltd.
- Circuit, circuit board, and heat sink assembly for retrofitting a lighting system with LED lights21 Apr 2026US 12,610,450 B2
- Self-contained ballast driver for retrofitting a lighting system with LED lights31 Mar 2026US 12,593,393 B2
- Illuminable laminated sunroof for a vehicle, vehicle having such an illuminable laminated sunroof20 Aug 2026US 2026/0242000 A1
- Lighting device for a motor vehicle30 Jul 2026US 2026/0218874 A1Hella GmbH & Co. KGaA
- Optical system for uniform illumination of a target area21 May 2026US 2026/0139804 A1
- Extended knuckle, snout, and aiming device for retrofitting a lighting system with led lights26 Mar 2026US 2026/0089832 A1Musco Corporation
- Arrayed optics and light fixtures including the same5 Mar 2026US 2026/0063271 A1ABL IP Holding LLC
Most cited
By later US patents
- Light fixture providing normalized output175US 4,791,540 AMinnesota Mining and Manufacturing Company · 1988
- Back-coupled illumination system with light recycling105US 5,839,823 AAlliedSignal Inc. · 1998
- Lighting elements including light emitting diodes, microprism sheet, reflector, and diffusing agent99US 6,330,111 B1Kenneth J. Myers, Edward Greenberg · 2001
- Lighting element including light emitting diodes, microprism sheet, reflector, and diffusing agent98US 6,331,915 B12001
- Generation of coded structured light patterns using VCSEL arrays36US 9,946,089 B2Princeton Optronics, Inc. · 2018