G01B 2290/40
Non-mechanical variable delay line
G01B2290/40 (Non-mechanical variable delay line) appears on 45 US grants and 50 published applications in this corpus.
Search patents in G01B- Granted patents
- 45
- Published applications
- 50
- Assignees
- 38
- Inventors
- 92
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 4 |
| 2006 | 3 | 1 |
| 2007 | 2 | 1 |
| 2008 | 2 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 1 | 3 |
| 2013 | 1 | 4 |
| 2014 | 2 | 2 |
| 2015 | 3 | 2 |
| 2016 | 3 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 4 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated optical system for spectral domain optical coherence tomography17 Jun 2025US 12,329,494 B2Siloton Limited
- Broadband interferometry and method for measurement range extension by using same14 Jan 2025US 12,196,551 B2Automated Precision, Inc.
- Polarization-separated, phase-shifted interferometer4 Jun 2024US 12,000,698 B2Massachusetts Institute of Technology
- OCT measuring device and oct measuring method9 Aug 2022US 11,408,722 B2Panasonic Intellectual Property Management Co., Ltd.
- Dynamical locking of optical path times using entangled photons8 Mar 2022US 11,268,806 B2Honeywell International Inc.
- 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 coherence tomography instrument and optical coherence tomography method28 Aug 2025US 2025/0268467 A1Optos PLC
- Optical coherence tomography instrument and optical coherence tomography method28 Aug 2025US 2025/0271252 A1Optos PLC
- Integrated optical system for spectral domain optical coherence tomography28 Dec 2023US 2023/0414103 A1Siloton Limited
- Broadband interferometry and method for measurement range extension by using same12 Oct 2023US 2023/0324165 A1Automated Precision, Inc.
Most cited
By later US patents
- Rapid depth scanning optical imaging device428US 6,687,010 B1Olympus Corporation · 2004
- Measurements of substances using two different propagation modes of light through a common optical path174US 6,903,820 B2Tomophase Corporation · 2005
- Simple high efficiency optical coherence domain reflectometer design143US 7,126,693 B2Carl Zeiss Meditec AG · 2006
- Measurements of optical inhomogeneity and other properties in substances using propagation modes of light85US 7,999,938 B2Tomophase Corporation · 2011
- Frequency-encoded parallel OCT and associated systems and methods50US 6,775,007 B22004