G01D 5/35361
Using elastic backscattering to detect the measured quantity
Official title: {using elastic backscattering to detect the measured quantity, e.g. using Rayleigh backscattering}
G01D5/35361 (Using elastic backscattering to detect the measured quantity) appears on 220 US grants and 300 published applications in this corpus.
Search patents in G01D- Granted patents
- 220
- Published applications
- 300
- Assignees
- 119
- Inventors
- 483
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 7 |
| 2013 | 3 | 4 |
| 2014 | 4 | 3 |
| 2015 | 5 | 6 |
| 2016 | 7 | 11 |
| 2017 | 6 | 15 |
| 2018 | 18 | 16 |
| 2019 | 17 | 18 |
| 2020 | 14 | 23 |
| 2021 | 17 | 24 |
| 2022 | 19 | 30 |
| 2023 | 22 | 35 |
| 2024 | 19 | 43 |
| 2025 | 41 | 24 |
| 2026 | 21 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Post-processing method to extend the functional range of optical backscatter reflectometry in extreme environments22 Sep 2026US 12,742,691 B2UT-Battelle, LLC
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- Distributed optical fibre sensor8 Oct 2026US 2026/0309522 A1Viavi Solutions Inc.
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- Device, method and system for quantifying a change in environmental conditions along the length of an optical fiber1 Oct 2026US 2026/0298675 A1Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Klimaschutz
- Multi-span sensing using wavelength / frequency multiplexing, synchronized receiver, and coherent signal processing1 Oct 2026US 2026/0298699 A1Subcom, LLC
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Most cited
By later US patents
- Fiber optic sensing techniques in laser medicine187US 5,928,222 A1999
- Method for measuring volumetric changes of object134US 9,360,304 B2Neubrex Co., Ltd. · 2016
- Distributed strain and temperature discrimination in polarization maintaining fiber57US 7,538,883 B2Luna Innovations Incorporated · 2009
- Frequency-scanned optical time domain reflectometry40US 7,859,654 B2Schlumberger Technology Corporation · 2010
- Distributed fiber optic sensor system with improved linearity40US 9,170,149 B2Schlumberger Technology Corporation · 2015