F21V 7/28
Characterised by coatings
Official title: characterised by coatings
F21V7/28 (Characterised by coatings) appears on 925 US grants and 921 published applications in this corpus.
Search patents in F21V- Granted patents
- 925
- Published applications
- 921
- Assignees
- 524
- Inventors
- 1,943
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 17 | 0 |
| 1999 | 26 | 0 |
| 2000 | 16 | 0 |
| 2001 | 13 | 13 |
| 2002 | 18 | 23 |
| 2003 | 26 | 25 |
| 2004 | 17 | 18 |
| 2005 | 19 | 36 |
| 2006 | 20 | 35 |
| 2007 | 15 | 42 |
| 2008 | 21 | 28 |
| 2009 | 18 | 25 |
| 2010 | 18 | 41 |
| 2011 | 23 | 55 |
| 2012 | 28 | 34 |
| 2013 | 42 | 72 |
| 2014 | 41 | 44 |
| 2015 | 35 | 54 |
| 2016 | 43 | 67 |
| 2017 | 43 | 56 |
| 2018 | 42 | 40 |
| 2019 | 58 | 45 |
| 2020 | 57 | 47 |
| 2021 | 35 | 30 |
| 2022 | 37 | 18 |
| 2023 | 14 | 28 |
| 2024 | 26 | 19 |
| 2025 | 17 | 15 |
| 2026 | 10 | 11 |
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
- Multi-directional light assembly18 Aug 2026US 12,710,145 B2Triplelite LLC
- Lamp19 May 2026US 12,631,301 B2Signify Holding B. V.
- Light-emitting module12 May 2026US 12,624,821 B2Drlightek Co., Ltd.
- Indirect lighting system and method of use14 Apr 2026US 12,601,460 B2Flex-N-Gate Advanced Product Development, LLC
- Light source apparatus and projection-type image display apparatus20 Aug 2026US 2026/0244086 A1Panasonic Projector & Display Corporation
- Lighting system for plant growth13 Aug 2026US 2026/0231867 A1Lifeponic Solutions, LLC
- Multi-channel lightbulb and bar-type lighting lamp for crop growth6 Aug 2026US 2026/0223786 A1Odysseyglobal Co., Ltd.
- Optical system with heatproof effect module and stage light fixture with same30 Jul 2026US 2026/0218893 A1Guangzhou Haoyang Electronic Co., Ltd.
- Lamp23 Jul 2026US 2026/0210530 A1Crawford Global Limited
Most cited
By later US patents
- Headlamp system with selectable beam pattern375US 6,497,503 B1Ford Global Technologies, LLC · 2002
- Illumination delivery system for generating sustained secondary emission208US 8,664,624 B2Performance Indicator, LLC · 2014
- Optical system using LED coupled with phosphor-doped reflective materials206US 7,144,131 B2Advanced Optical Technologies, LLC · 2006
- Light expanding system for producing a linear or planar light beam from a point-like light source189US 5,835,661 A1998
- Thermally-conductive plastic articles having light reflecting surfaces167US 7,235,918 B2Cool Options, Inc. · 2007