G01D 5/35358
Using backscattering to detect the measured quantity
Official title: {using backscattering to detect the measured quantity}
G01D5/35358 (Using backscattering to detect the measured quantity) appears on 539 US grants and 718 published applications in this corpus.
Search patents in G01D- Granted patents
- 539
- Published applications
- 718
- Assignees
- 249
- Inventors
- 1,016
- 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 5 |
| 2006 | 2 | 9 |
| 2007 | 6 | 7 |
| 2008 | 6 | 9 |
| 2009 | 9 | 9 |
| 2010 | 7 | 13 |
| 2011 | 6 | 13 |
| 2012 | 8 | 15 |
| 2013 | 7 | 17 |
| 2014 | 12 | 16 |
| 2015 | 18 | 23 |
| 2016 | 20 | 29 |
| 2017 | 30 | 45 |
| 2018 | 34 | 35 |
| 2019 | 38 | 41 |
| 2020 | 45 | 49 |
| 2021 | 43 | 57 |
| 2022 | 35 | 67 |
| 2023 | 41 | 68 |
| 2024 | 49 | 76 |
| 2025 | 63 | 58 |
| 2026 | 40 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multispan optical fiber system and techniques for improved distributed acoustic sensing6 Oct 2026US 12,754,065 B2Subcom, LLC
- Method and device for measuring a temperature and/or a strain in an optical fiber22 Sep 2026US 12,742,665 B2Eoss SA
- Post-processing method to extend the functional range of optical backscatter reflectometry in extreme environments22 Sep 2026US 12,742,691 B2UT-Battelle, LLC
- Optical fiber-based tsunami warning system using submarine telecommunication cables15 Sep 2026US 12,736,375 B2California Institute of Technology
- Machine logic multi-phase metering using distributed acoustic sensing data8 Sep 2026US 12,729,985 B2ConocoPhillips Company
- Apparatus and method for distributed acoustic sensing8 Oct 2026US 2026/0309521 A1Alcatel Submarine Networks
- Distributed optical fibre sensor8 Oct 2026US 2026/0309522 A1Viavi Solutions Inc.
- Optical time-domain reflectometer, and method for eliminating interference fading8 Oct 2026US 2026/0309523 A1Accelink Technologies Co., Ltd.
- Optical fiber sensing system, optical fiber sensing device, and breakage detection method1 Oct 2026US 2026/0298674 A1NEC Corporation
- 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
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 fiber optic temperature sensors and systems119US 5,696,863 A1997
- Remote sensing of physical variables with fiber optic systems109US 5,363,463 A1994
- Distributed fiber optic sensors and systems94US 5,991,479 A1999