G02B 19/0028
Refractive and reflective surfaces
Official title: {refractive and reflective surfaces, e.g. non-imaging catadioptric systems}
G02B19/0028 (Refractive and reflective surfaces) appears on 2,018 US grants and 2,238 published applications in this corpus.
Search patents in G02B- Granted patents
- 2,018
- Published applications
- 2,238
- Assignees
- 977
- Inventors
- 3,542
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 0 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 11 | 0 |
| 1987 | 16 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 18 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 11 | 0 |
| 2001 | 22 | 7 |
| 2002 | 11 | 26 |
| 2003 | 19 | 24 |
| 2004 | 25 | 39 |
| 2005 | 25 | 53 |
| 2006 | 45 | 75 |
| 2007 | 43 | 101 |
| 2008 | 53 | 98 |
| 2009 | 49 | 83 |
| 2010 | 76 | 144 |
| 2011 | 73 | 113 |
| 2012 | 73 | 134 |
| 2013 | 99 | 118 |
| 2014 | 121 | 123 |
| 2015 | 102 | 138 |
| 2016 | 113 | 111 |
| 2017 | 116 | 113 |
| 2018 | 96 | 119 |
| 2019 | 127 | 118 |
| 2020 | 118 | 104 |
| 2021 | 90 | 102 |
| 2022 | 86 | 92 |
| 2023 | 76 | 73 |
| 2024 | 80 | 69 |
| 2025 | 49 | 40 |
| 2026 | 20 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Multiplexed photon emitter and camera configuration for an image acquisition device11 Aug 2026US 12,707,137 B2
- Portable ultraviolet disinfector16 Jun 2026US 12,653,916 B2Pulse RX Disinfection Corp.
- Optical component, luminaire comprising such a component and manufacturing method therefor16 Jun 2026US 12,655,959 B2Signify Holding B. V.
- Light management system with light converting quantum dot layer and distributed light input ports2 Jun 2026US 12,645,015 B1S.V.V. Technology Innovations, Inc.
- Light Management System with Distributed Light Input Ports and Light-Converting Layer24 Sep 2026US 2026/0293368 A1
- Lens for Improved Color Mixing and Beam Control of an LED Light Source27 Aug 2026US 2026/0251285 A1Lutron Technology Company LLC
- Optical system for a lighting device30 Jul 2026US 2026/0218878 A1Lutron Technology Company LLC
- Improved light engine30 Jul 2026US 2026/0218882 A1Signify Holding B. V.
- Optical member, illumination device, and image projection device23 Jul 2026US 2026/0211309 A1Koito Manufacturing Co., Ltd.
Most cited
By later US patents
- Uniform illumination system488US 7,072,096 B2Digital Optics International Corporation · 2006
- Side emitting light emitting device337US 6,598,998 B2Lumileds Lighting U.S., LLC · 2003
- Side emitting LED and lens330US 6,679,621 B2Lumileds Lighting U.S., LLC · 2004
- Sensor configuration for substantial spacing from a small aperture267US 6,831,268 B2Gentex Corporation · 2004
- Uniform illumination system254US 7,400,439 B2Digital Optics International Corporation · 2008