F21V 7/08
With elliptical curvature
Official title: with elliptical curvature
F21V7/08 (With elliptical curvature) appears on 165 US grants and 160 published applications in this corpus.
Search patents in F21V- Granted patents
- 165
- Published applications
- 160
- Assignees
- 119
- Inventors
- 329
- Latest grant
- 23 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 4 | 2 |
| 2005 | 1 | 3 |
| 2006 | 3 | 5 |
| 2007 | 2 | 4 |
| 2008 | 2 | 5 |
| 2009 | 4 | 3 |
| 2010 | 1 | 6 |
| 2011 | 2 | 7 |
| 2012 | 7 | 8 |
| 2013 | 8 | 10 |
| 2014 | 6 | 11 |
| 2015 | 7 | 14 |
| 2016 | 8 | 14 |
| 2017 | 14 | 15 |
| 2018 | 10 | 14 |
| 2019 | 17 | 13 |
| 2020 | 11 | 5 |
| 2021 | 6 | 4 |
| 2022 | 7 | 7 |
| 2023 | 4 | 4 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Photoconversion device and illumination system5 Dec 2023US 11,835,225 B2KYOCERA Corporation
- Vehicle headlamp28 Nov 2023US 11,827,139 B2Koito Manufacturing Co., Ltd.
- Vehicle lamp illumination module and vehicle lamp17 Sep 2026US 2026/0276165 A1Hasco Vision Technology Co., Ltd.
- Improved light engine30 Jul 2026US 2026/0218882 A1Signify Holding B. V.
- Side emitting led package with shaped cap interface18 Apr 2024US 2024/0125457 A1Dominant Opto Technologies Sdn Bhd.
- Laser phosphor based pixelated light source5 Oct 2023US 2023/0313954 A1Signify Holding B. V.
- Photoconversion device and illumination system5 Oct 2023US 2023/0313974 A1KYOCERA Corporation
Most cited
By later US patents
- Apparatus for irradiating substances curable by radiation159US 4,298,806 AESPE Fabrik Pharmazeutischer Praparate GmbH · 1981
- Solid state lighting device using heat channels in a housing117US 8,282,250 B1eLumigen LLC · 2012
- Solid state light assembly having light redirection elements89US 8,277,082 B2eLumigen LLC · 2012
- UV irradiation device75US 4,149,086 A1979
- Zoom lighting fixture having multifunction actuator65US 6,092,914 AElectronics Theatre Controls, Inc. · 2000