G01D 5/35322
Using interferometer with one loop with several directions of circulation of the
Official title: {using interferometer with one loop with several directions of circulation of the light, e.g. Sagnac interferometer}
G01D5/35322 (Using interferometer with one loop with several directions of circulation of the) appears on 23 US grants and 21 published applications in this corpus.
Search patents in G01D- Granted patents
- 23
- Published applications
- 21
- Assignees
- 20
- Inventors
- 52
- Latest grant
- 8 Oct 2024
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| Year | Granted patents | Published applications |
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| 1987 | 1 | 0 |
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| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
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| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
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| 2014 | 1 | 3 |
| 2015 | 0 | 0 |
| 2016 | 3 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High sampling rate optical fiber sensor8 Oct 2024US 12,111,190 B2Scuola Superiore Di Studi Universitari E Di Perfezionamento Sant'anna—Istituto Tecip
- Demodulation of fiber optic interferometric sensors5 Sep 2023US 11,747,133 B2Board of Trustees of Michigan State University
- Method for realizing high stability of micro-nano optical fiber Sagnac loop output by means of filter mode control11 Apr 2023US 11,624,635 B1Shandong University of Science and Technology
- Structured optical fibre sensor integrating a tunable vernier effect laser emission device2 Aug 2022US 11,402,240 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Optical fiber detection device for detecting discharge fault of high-voltage bushing27 Jul 2021US 11,073,414 B2Nanjing University of Aeronautics and Astronautics
- Method for realizing high stability of micro-nano optical fiber sagnac loop output by means of filter mode control30 Mar 2023US 2023/0101905 A1Shandong University of Science and Technology
- High sampling rate optical fiber sensor9 Mar 2023US 2023/0075887 A1Scuola Superiore Di Studi Universitari E Di Perfezionamento Sant'anna—Istituto Tecip
- Demodulation of fiber optic interferometric sensors28 Oct 2021US 2021/0333089 A1Board of Trustees of Michigan State University
- Structured optical fibre sensor integrating a tunable vernier effect laser emission device19 Aug 2021US 2021/0255006 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Optical Fiber Detection Device for Detecting Discharge Fault of High-Voltage Bushing20 May 2021US 2021/0148735 A1Nanjing University of Aeronautics and Astronautics
Most cited
By later US patents
- Fibre optic sensor21US 6,490,045 B1University of Southhampton · 2002
- Distributed sagnac sensor systems19US 5,402,231 AMcDonnell Douglas Corporation · 1995
- Optical sensor utilizing hollow-core photonic bandgap fiber with low phase thermal constant12US 7,911,620 B2The Board of Trustees of the Leland Stanford Junior University · 2011
- Optical sensor utilizing hollow-core photonic bandgap fiber with low phase thermal constant11US 7,619,743 B2The Board of Trustees of the Leland Stanford Junior University · 2009
- Distributed fiber optic sensor with location capability10US 7,514,670 B2Fiber SenSys LLC · 2009