G01D 5/35364
Using inelastic backscattering to detect the measured quantity
Official title: {using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering}
G01D5/35364 (Using inelastic backscattering to detect the measured quantity) appears on 207 US grants and 253 published applications in this corpus.
Search patents in G01D- Granted patents
- 207
- Published applications
- 253
- Assignees
- 115
- Inventors
- 383
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 6 |
| 2007 | 3 | 2 |
| 2008 | 3 | 5 |
| 2009 | 5 | 5 |
| 2010 | 2 | 4 |
| 2011 | 3 | 4 |
| 2012 | 3 | 5 |
| 2013 | 2 | 9 |
| 2014 | 7 | 8 |
| 2015 | 7 | 9 |
| 2016 | 5 | 17 |
| 2017 | 18 | 22 |
| 2018 | 16 | 17 |
| 2019 | 18 | 15 |
| 2020 | 20 | 16 |
| 2021 | 16 | 21 |
| 2022 | 10 | 12 |
| 2023 | 12 | 22 |
| 2024 | 14 | 20 |
| 2025 | 21 | 16 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Massive submarine monitoring BOTDA system based on mesh multi-stage remote pump amplification8 Sep 2026US 12,729,987 B2Jiangsu Shenyuan Marine Information Technology and Equipment Innovation Center Co., Ltd.
- Measuring device, measuring method, and computer-readable recording medium8 Sep 2026US 12,730,034 B2Yokogawa Electric Corporation
- Brillouin sensing using polarization pulling25 Aug 2026US 12,716,756 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Sensor deployment for distributed acoustic sensing interrogation in subsea applications2 Jun 2026US 12,644,760 B2Halliburton Energy Services.Inc.
- Distributed optical fibre sensor8 Oct 2026US 2026/0309522 A1Viavi Solutions Inc.
- Brillouin gain analyzer and brillouin gain analysis method17 Sep 2026US 2026/0276413 A1Nippon Telegraph and Telephone Corporation
- Optical fiber characteristic measurement device and optical fiber characteristic measurement method17 Sep 2026US 2026/0276480 A1Toyota School Foundation
- Apparatus and method for optic fiber measurement based on brillouin optical correlation domain analysis using pulse waveform control of bits27 Aug 2026US 2026/0251484 A1Dong-A University Research Foundation for Industry-Academy Cooperation
- Massive submarine monitoring botda system based on mesh multi-stage remote pump amplification2 Jul 2026US 2026/0185855 A1Jiangsu Shenyuan Marine Information Technology and Equipment Innovation Center Co., Ltd.
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
- Distributed fiber optic sensors and systems94US 5,991,479 A1999
- Remote measurement of physical variables with fiber optic systems73US 5,096,277 A1992