F21V 7/24
Characterised by the material
Official title: characterised by the material
F21V7/24 (Characterised by the material) appears on 849 US grants and 872 published applications in this corpus.
Search patents in F21V- Granted patents
- 849
- Published applications
- 872
- Assignees
- 485
- Inventors
- 1,833
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 24 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 14 |
| 2002 | 19 | 21 |
| 2003 | 22 | 24 |
| 2004 | 14 | 15 |
| 2005 | 21 | 34 |
| 2006 | 25 | 30 |
| 2007 | 12 | 37 |
| 2008 | 19 | 25 |
| 2009 | 17 | 27 |
| 2010 | 21 | 47 |
| 2011 | 18 | 44 |
| 2012 | 22 | 46 |
| 2013 | 38 | 79 |
| 2014 | 43 | 66 |
| 2015 | 44 | 61 |
| 2016 | 47 | 45 |
| 2017 | 41 | 53 |
| 2018 | 37 | 32 |
| 2019 | 47 | 40 |
| 2020 | 43 | 29 |
| 2021 | 31 | 22 |
| 2022 | 16 | 22 |
| 2023 | 25 | 18 |
| 2024 | 18 | 15 |
| 2025 | 10 | 14 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Box-shaped light fixture with diffuser lens having a plurality of diffractive ribs22 Sep 2026US 12,742,537 B2Maxlite, Inc.
- Light-emitting diode package structure and manufacturing method thereof25 Aug 2026US 12,720,938 B2E Ink Holdings Inc.
- Multi-directional light assembly18 Aug 2026US 12,710,145 B2Triplelite LLC
- Non-imaging asymmetric wall wash fixture for downlights11 Aug 2026US 12,704,239 B2LMPG Inc.
- Illumination systems employing laminated sheet-form optical structures with embedded TIR channels14 Jul 2026US 12,680,670 B2S.V.V. Technology Innovations, Inc.
- Light source device, light reflection member, and translucent member8 Oct 2026US 2026/0305593 A1Fkk Corporation
- Method, system, and apparatus for illuminating designer smart accessories24 Sep 2026US 2026/0287166 A1Asher Levine Inc.
- Illumination systems employing multi-layer laminated sheet-form optical structures with embedded tir channels17 Sep 2026US 2026/0276175 A1
- Optical system with heatproof effect module and stage light fixture with same30 Jul 2026US 2026/0218893 A1Guangzhou Haoyang Electronic Co., Ltd.
- Optoelectronic device of the led (light emitting diode) type and production method of said led23 Jul 2026US 2026/0210506 A1Ledworks Srl
Most cited
By later US patents
- Lighting system590US 6,234,648 B1U. S. Philips Corporation · 2001
- Color tunable light source397US 6,357,889 B1General Electric Company · 2002
- Lighting apparatus317US 6,582,103 B1Teledyne Lighting and Display Products, Inc. · 2003
- Optical system using LED coupled with phosphor-doped reflective materials206US 7,144,131 B2Advanced Optical Technologies, LLC · 2006
- Lighting device168US 7,722,220 B2Cree LED Lighting Solutions, Inc. · 2010