F21V 5/045
The lens having discontinuous faces
Official title: {the lens having discontinuous faces, e.g. Fresnel lenses}
F21V5/045 (The lens having discontinuous faces) appears on 770 US grants and 859 published applications in this corpus.
Search patents in F21V- Granted patents
- 770
- Published applications
- 859
- Assignees
- 427
- Inventors
- 1,419
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 4 | 7 |
| 2003 | 5 | 8 |
| 2004 | 8 | 17 |
| 2005 | 10 | 20 |
| 2006 | 10 | 16 |
| 2007 | 18 | 15 |
| 2008 | 7 | 18 |
| 2009 | 16 | 9 |
| 2010 | 8 | 18 |
| 2011 | 7 | 13 |
| 2012 | 8 | 26 |
| 2013 | 20 | 35 |
| 2014 | 26 | 35 |
| 2015 | 23 | 58 |
| 2016 | 37 | 54 |
| 2017 | 56 | 49 |
| 2018 | 51 | 65 |
| 2019 | 71 | 58 |
| 2020 | 64 | 70 |
| 2021 | 79 | 71 |
| 2022 | 59 | 55 |
| 2023 | 49 | 35 |
| 2024 | 45 | 44 |
| 2025 | 43 | 36 |
| 2026 | 21 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light emitting module6 Oct 2026US 12,754,456 B2Nichia Corporation
- Wall wash insert for recessed lighting8 Sep 2026US 12,729,840 B1Signify Holding B. V.
- Light adjustment device, photography light, and photography system18 Aug 2026US 12,710,170 B2Shenzhen Leqi Innovation Co., Ltd.
- Non-imaging asymmetric wall wash fixture for downlights11 Aug 2026US 12,704,239 B2LMPG Inc.
- Light source device14 Jul 2026US 12,680,667 B2Nichia Corporation
- Led device and led light fixture8 Oct 2026US 2026/0309321 A1Shanghai Weili Advanced Electronic Technology Co., Ltd.
- Wall wash insert for recessed lighting1 Oct 2026US 2026/0298452 A1Signify Holding B. V.
- Light emitting module and lens17 Sep 2026US 2026/0276174 A1Seoul Semiconductor Co., Ltd.
- Sunflower optics for color mixing and beam shaping27 Aug 2026US 2026/0251284 A1Signify Holding B. V.
- Light emitting device, image forming device, display device, photoelectric conversion device, electronic apparatus, and wearable device20 Aug 2026US 2026/0243408 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Light collection assembly having mixed conic shapes for use with various light emitting sources167US 6,724,543 B1Visteon Global Technologies, Inc. · 2004
- Light-emitting module150US 7,348,604 B2Tir Technology LP · 2008
- Marine safety light140US 6,086,220 ALash International Inc. · 2000
- Linear illumination lens with Fresnel facets138US 7,559,672 B1InteLED Corp. · 2009
- Prism light guide luminaire with efficient directional output136US 5,339,382 AMinnesota Mining and Manufacturing Company · 1994