G01B 2290/35
Mechanical variable delay line
G01B2290/35 (Mechanical variable delay line) appears on 155 US grants and 151 published applications in this corpus.
Search patents in G01B- Granted patents
- 155
- Published applications
- 151
- Assignees
- 116
- Inventors
- 341
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 6 |
| 2003 | 5 | 6 |
| 2004 | 5 | 9 |
| 2005 | 6 | 5 |
| 2006 | 5 | 3 |
| 2007 | 5 | 7 |
| 2008 | 7 | 4 |
| 2009 | 5 | 8 |
| 2010 | 4 | 13 |
| 2011 | 7 | 15 |
| 2012 | 6 | 7 |
| 2013 | 8 | 8 |
| 2014 | 7 | 3 |
| 2015 | 5 | 2 |
| 2016 | 2 | 8 |
| 2017 | 8 | 3 |
| 2018 | 4 | 5 |
| 2019 | 3 | 5 |
| 2020 | 4 | 9 |
| 2021 | 8 | 7 |
| 2022 | 3 | 2 |
| 2023 | 5 | 7 |
| 2024 | 4 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Optical device13 May 2025US 12,298,132 B2Hamamatsu Photonics K.K.
- Broadband interferometry and method for measurement range extension by using same14 Jan 2025US 12,196,551 B2Automated Precision, Inc.
- Systems, methods, and media for multiple reference arm spectral domain optical coherence tomography31 Dec 2024US 12,181,280 B2The General Hospital Corporation
- Laser interferometer2 Jul 2026US 2026/0185816 A1Seiko Epson Corporation
- Method for determining a height map and interferometric system for the same25 Jun 2026US 2026/0177375 A1Mitutoyo Corporation
- Coordinated adjustment of object arm and reference arm30 Apr 2026US 2026/0118111 A1RAYLASE GmbH
- Measuring module with adjustable path length difference for laser processing apparatus30 Oct 2025US 2025/0332660 A1RAYLASE GmbH
- Mirror unit and optical module6 Feb 2025US 2025/0044074 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Methods and apparatus for high speed longitudinal scanning in imaging systems551US 6,191,862 B1LightLab Imaging, Inc. · 2001
- Grating based phase control optical delay line535US 6,111,645 AMassachusetts Institute of Technology · 2000
- Method and apparatus for acquiring images using a ccd detector array and no transverse scanner522US 5,465,147 AMassachusetts Institute of Technology · 1995
- Interferometeric imaging with a grating based phase control optical delay line475US 6,421,164 B2Massachusetts Institute of Technology · 2002
- Rapid depth scanning optical imaging device428US 6,687,010 B1Olympus Corporation · 2004