F21V 13/12
Combinations of only three kinds of elements
F21V13/12 (Combinations of only three kinds of elements) appears on 770 US grants and 860 published applications in this corpus.
Search patents in F21V- Granted patents
- 770
- Published applications
- 860
- Assignees
- 325
- Inventors
- 1,300
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 4 |
| 2003 | 8 | 5 |
| 2004 | 3 | 4 |
| 2005 | 2 | 7 |
| 2006 | 3 | 6 |
| 2007 | 8 | 10 |
| 2008 | 5 | 11 |
| 2009 | 4 | 12 |
| 2010 | 6 | 25 |
| 2011 | 16 | 36 |
| 2012 | 19 | 52 |
| 2013 | 28 | 98 |
| 2014 | 60 | 73 |
| 2015 | 65 | 86 |
| 2016 | 77 | 82 |
| 2017 | 76 | 81 |
| 2018 | 77 | 54 |
| 2019 | 94 | 61 |
| 2020 | 55 | 36 |
| 2021 | 35 | 32 |
| 2022 | 38 | 27 |
| 2023 | 21 | 23 |
| 2024 | 22 | 8 |
| 2025 | 12 | 15 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for generating collimated non-coherent bright light using a plurality of optical elements30 Jun 2026US 12,669,235 B2Disney Enterprises, Inc.
- Near-light illumination16 Jun 2026US 12,655,960 B2Hewlett-Packard Development Company, L. P.
- Fill light and electronic device26 May 2026US 12,638,154 B2Vivo Mobile Communication Co., Ltd.
- Optical assembly, linear lamp, linear lamp combination, and track linear lamp21 Apr 2026US 12,607,326 B2Opple Lighting Co., Ltd.
- Light strip structure30 Dec 2025US 12,510,217 B1
- Solid State Lamp Using Light Emitting Strips1 Oct 2026US 2026/0298419 A1Quarkstar LLC
- System for generating collimated non-coherent bright light using a plurality of optical elements1 Oct 2026US 2026/0298443 A1Disney Enterprises, Inc.
- Side light-emitting device and luminaire24 Sep 2026US 2026/0287152 A1Opple Lighting Co., Ltd.
- Near-light illumination17 Sep 2026US 2026/0276178 A1Hewlett-Packard Development Company, L. P.
- Light source6 Aug 2026US 2026/0227052 A1YLX Incorporated
Most cited
By later US patents
- Illumination devices using natural light LEDs1,018US 8,992,042 B2Halma Holdings, Inc. · 2015
- Non-incandescent lightbulb package using light emitting diodes347US 6,504,301 B1Lumileds Lighting U.S., LLC · 2003
- Photolytically and environmentally stable multilayer structure for high efficiency electromagnetic energy conversion and sustained secondary emission218US 8,232,533 B2Performance Indicator, LLC · 2012
- Photolytically and environmentally stable multilayer structure for high efficiency electromagnetic energy conversion and sustained secondary emission214US 8,178,852 B2Performance Indicator, LLC · 2012
- Photolytically and environmentally stable multilayer structure for high efficiency electromagnetic energy conversion and sustained secondary emission211US 8,415,642 B2Performance Indicator, LLC · 2013