G02B 27/4277
Being separated by an air space
Official title: {being separated by an air space}
G02B27/4277 (Being separated by an air space) appears on 215 US grants and 196 published applications in this corpus.
Search patents in G02B- Granted patents
- 215
- Published applications
- 196
- Assignees
- 141
- Inventors
- 402
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 13 |
| 2003 | 7 | 7 |
| 2004 | 9 | 9 |
| 2005 | 5 | 9 |
| 2006 | 5 | 9 |
| 2007 | 7 | 3 |
| 2008 | 5 | 8 |
| 2009 | 4 | 7 |
| 2010 | 4 | 12 |
| 2011 | 9 | 2 |
| 2012 | 6 | 9 |
| 2013 | 2 | 2 |
| 2014 | 3 | 0 |
| 2015 | 2 | 5 |
| 2016 | 5 | 11 |
| 2017 | 9 | 10 |
| 2018 | 7 | 7 |
| 2019 | 12 | 18 |
| 2020 | 9 | 15 |
| 2021 | 9 | 12 |
| 2022 | 9 | 10 |
| 2023 | 11 | 6 |
| 2024 | 3 | 4 |
| 2025 | 7 | 4 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Wide wavelength optical detection system19 May 2026US 12,631,488 B2Attollo Engineering, LLC
- Diffractive optical network for reconstruction of holograms17 Mar 2026US 12,578,679 B2The Regents of the University of California
- Waveguides having integrated spacers, waveguides having edge absorbers, and methods for making the same1 Oct 2026US 2026/0299187 A1Magic Leap, Inc.
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- Monolithic Homodyne Encoder30 Oct 2025US 2025/0334725 A1The United States of America as represented by the Secretary of the Navy
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- Optical components107US 9,423,360 B1Microsoft Technology Licensing, LLC · 2016