F21V 7/22
Reflectors for light sources: characterised by materials, surface treatments or coatings
Official title: characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
F21V7/22 (Reflectors for light sources: characterised by materials, surface treatments or coatings) appears on 1,574 US grants and 1,676 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,574
- Published applications
- 1,676
- Assignees
- 775
- Inventors
- 3,221
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 14 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 16 | 0 |
| 1993 | 13 | 0 |
| 1994 | 10 | 0 |
| 1995 | 11 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 20 | 0 |
| 1999 | 33 | 0 |
| 2000 | 20 | 0 |
| 2001 | 23 | 16 |
| 2002 | 27 | 29 |
| 2003 | 32 | 37 |
| 2004 | 20 | 23 |
| 2005 | 25 | 43 |
| 2006 | 28 | 43 |
| 2007 | 22 | 53 |
| 2008 | 26 | 37 |
| 2009 | 22 | 37 |
| 2010 | 27 | 60 |
| 2011 | 30 | 74 |
| 2012 | 34 | 65 |
| 2013 | 62 | 130 |
| 2014 | 68 | 103 |
| 2015 | 68 | 109 |
| 2016 | 88 | 114 |
| 2017 | 91 | 130 |
| 2018 | 93 | 117 |
| 2019 | 147 | 110 |
| 2020 | 113 | 87 |
| 2021 | 74 | 67 |
| 2022 | 61 | 46 |
| 2023 | 52 | 57 |
| 2024 | 50 | 34 |
| 2025 | 28 | 28 |
| 2026 | 19 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Glass assembly, vehicle window glass and vehicle6 Oct 2026US 12,752,607 B2Saint-Gobain Sekurit France
- 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.
- Light source device, light reflection member, and translucent member8 Oct 2026US 2026/0305593 A1Fkk Corporation
- Chromatic effect daylight management unit8 Oct 2026US 2026/0309292 A1
- Reflector cup and luminaire8 Oct 2026US 2026/0309309 A1Signify Holding B. V.
- Method, system, and apparatus for illuminating designer smart accessories24 Sep 2026US 2026/0287166 A1Asher Levine Inc.
- A lamp for suspended mounting17 Sep 2026US 2026/0276173 A1Signify Holding B. V.
Most cited
By later US patents
- Light emitting diode lamp597US 4,935,665 AMitsubishi Cable Industries, Ltd. · 1990
- Lighting system590US 6,234,648 B1U. S. Philips Corporation · 2001
- Color tunable light source397US 6,357,889 B1General Electric Company · 2002
- Headlamp system with selectable beam pattern375US 6,497,503 B1Ford Global Technologies, LLC · 2002
- Lighting apparatus317US 6,582,103 B1Teledyne Lighting and Display Products, Inc. · 2003