G01D 5/35325
Using interferometer with two arms in reflection
Official title: {using interferometer with two arms in reflection, e.g. Mickelson interferometer}
G01D5/35325 (Using interferometer with two arms in reflection) appears on 35 US grants and 41 published applications in this corpus.
Search patents in G01D- Granted patents
- 35
- Published applications
- 41
- Assignees
- 32
- Inventors
- 89
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 1 |
| 2017 | 3 | 3 |
| 2018 | 2 | 3 |
| 2019 | 6 | 4 |
| 2020 | 0 | 3 |
| 2021 | 4 | 7 |
| 2022 | 3 | 1 |
| 2023 | 2 | 1 |
| 2024 | 3 | 4 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for optical sensing29 Apr 2025US 12,287,235 B2Silixa Ltd.
- Optical fiber sensing25 Mar 2025US 12,259,263 B2University of Southampton
- Simultaneous distributed acoustic sensing with multiple gauge lengths17 Sep 2024US 12,092,779 B2Halliburton Energy Services.Inc.
- Multi-dimensional spatial positioning system and method for disturbance source11 Jun 2024US 12,007,259 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Distributed fiber-optic acoustic sensing system and signal processing method using the same2 Apr 2024US 11,946,799 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- 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
- Optical measurement system6 Aug 2026US 2026/0227275 A1
- Heat exchanger comprising a fiber-optic sensor for determining a tube wall thickness of a heat-transfer tube of the heat exchanger and method for operating such a heat exchanger2 Oct 2025US 2025/0305781 A1Schoeller-Bleckmann Nitec GmbH
- Fibre Optic Sensing15 Aug 2024US 2024/0271970 A1Optasense Holdings Limited
- Systems and methods for fiber optic fourier spectrometry measurement29 Feb 2024US 2024/0068893 A1Sentek Instrument LLC
Most cited
By later US patents
- Optical fiber infrasound sensor34US 6,788,417 B1The Regents of the University of California · 2004
- Demodulation method and apparatus for fiber optic sensors33US 7,561,276 B2Luna Innovations Incorporated · 2009
- Optical sensor and method of use31US 9,140,582 B2Silixa Ltd. · 2015
- Optical fiber loop temperature sensor28US 5,258,614 AThe Babcock & Wilcox Company · 1993
- System for monitoring bearing wear28US 7,551,288 B1Rockwell Automation Technologies, Inc. · 2009