G01B 2290/60
Reference interferometer, i.e. additional interferometer not interacting with object
G01B2290/60 (Reference interferometer, i.e. additional interferometer not interacting with object) appears on 168 US grants and 143 published applications in this corpus.
Search patents in G01B- Granted patents
- 168
- Published applications
- 143
- Assignees
- 103
- Inventors
- 310
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 5 |
| 2003 | 7 | 9 |
| 2004 | 2 | 1 |
| 2005 | 5 | 4 |
| 2006 | 6 | 5 |
| 2007 | 4 | 4 |
| 2008 | 3 | 2 |
| 2009 | 5 | 3 |
| 2010 | 0 | 9 |
| 2011 | 4 | 9 |
| 2012 | 5 | 5 |
| 2013 | 7 | 6 |
| 2014 | 6 | 4 |
| 2015 | 5 | 6 |
| 2016 | 6 | 2 |
| 2017 | 3 | 9 |
| 2018 | 6 | 6 |
| 2019 | 9 | 6 |
| 2020 | 7 | 5 |
| 2021 | 3 | 10 |
| 2022 | 12 | 11 |
| 2023 | 6 | 11 |
| 2024 | 6 | 6 |
| 2025 | 5 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Interferometric dual-comb distance measuring device and measuring method24 Mar 2026US 12,585,002 B2Hexagon Technology Center GmbH
- Optical device and spectroscopic device10 Feb 2026US 12,546,708 B2Seiko Epson Corporation
- Photonic integrated circuit distance measuring interferometer20 Jan 2026US 12,529,840 B2Raytheon Company
- Optical interference range sensor9 Sep 2025US 12,411,002 B2OMRON Corporation
- Optical coherence tomography device and optical coherence tomography method19 Aug 2025US 12,392,600 B2Daikin Industries, Ltd.
- Method for determining a position of a target by optical interferometry and device for doing the same30 Jul 2026US 2026/0219027 A1Prodrive Technologies Innovation Services B.V.
- Optical path length sensor7 May 2026US 2026/0126283 A1Lumiary AB
- Line-field OCT System with K Space Calibration19 Jun 2025US 2025/0198742 A1
- Optical interference ranging sensor10 Apr 2025US 2025/0116774 A1OMRON Corporation
- Techniques for robust machine vision systems20 Mar 2025US 2025/0093514 A1Cognex Corporation
Most cited
By later US patents
- Doppler flow imaging using optical coherence tomography206US 6,006,128 A1999
- Methods and apparatus for swept-source optical coherence tomography168US 7,916,387 B2LightLab Imaging, Inc. · 2011
- Systems and methods for phase measurements108US 7,365,858 B2Massachusetts Institute of Technology · 2008
- Frequency modulated lasar radar102US 4,830,486 A1989
- Chirped synthetic wavelength laser radar92US 5,371,587 AThe Boeing Company · 1994