G02B 17/0615
Off-axis or unobscured systems in wich all of the mirrors share a
Official title: {off-axis or unobscured systems in wich all of the mirrors share a common axis of rotational symmetry}
G02B17/0615 (Off-axis or unobscured systems in wich all of the mirrors share a) appears on 78 US grants and 66 published applications in this corpus.
Search patents in G02B- Granted patents
- 78
- Published applications
- 66
- Assignees
- 66
- Inventors
- 163
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 4 |
| 2005 | 2 | 3 |
| 2006 | 4 | 5 |
| 2007 | 1 | 2 |
| 2008 | 3 | 4 |
| 2009 | 3 | 0 |
| 2010 | 0 | 4 |
| 2011 | 3 | 4 |
| 2012 | 4 | 3 |
| 2013 | 4 | 1 |
| 2014 | 2 | 4 |
| 2015 | 3 | 3 |
| 2016 | 5 | 3 |
| 2017 | 4 | 2 |
| 2018 | 2 | 3 |
| 2019 | 3 | 3 |
| 2020 | 4 | 3 |
| 2021 | 2 | 7 |
| 2022 | 3 | 2 |
| 2023 | 3 | 0 |
| 2024 | 1 | 2 |
| 2025 | 4 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Optical magnifying device6 Aug 2026US 2026/0227592 A1Far Vision Technology Co., Ltd.
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Most cited
By later US patents
- Compact afocal reimaging and image derotation device58US 5,078,502 AHughes Aircraft Company · 1992
- Optical projection apparatus45US 4,011,011 AThe Perkin-Elmer Corporation · 1977
- Optical projection and scanning apparatus37US 4,068,947 AThe Perkin-Elmer Corporation · 1978
- Image display unit and projection optical system34US 7,068,444 B22006
- Three-fold mirror assembly for a scanning projection system21US 3,951,546 AThe Perkin-Elmer Corporation · 1976