LIU; Tiegen

Patent Applications and Registrations

Patent applications and USPTO patent grants for LIU; Tiegen.The latest application filed is for "differential cotdr distributed acoustic sensing device and method based on heterogeneous double-sideband chirped-pulses".

Company Profile

8.12.16

LIU; Tiegen - Tianjin CN
LIU; Tiegen - US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Differential Cotdr Distributed Acoustic Sensing Device And Method Based On Heterogeneous Double-sideband Chirped-pulses App 20220283021 - JIANG; Junfeng ; et al.	2022-09-08
Fiber Bragg Grating demodulation device capable of supressing fluctuations at variable ambient temperature and demodulation method thereof Grant 11,181,400 - Jiang , et al. November 23, 2	2021-11-23
Residual Pressure Measurement System For Fabry-perot Cavity Of Optical Mems Pressure Sensor And Method Thereof App 20200249113 - Kind Code	2020-08-06
Fiber optical fabry-perot flow test device and test method with local bending diversion structure Grant 10,508,938 - Liu , et al. Dec	2019-12-17
Distributed measuring device and method for simultaneously measuring strain and temperature based on optical frequency domain reflection Grant 10,365,088 - Ding , et al. July 30, 2	2019-07-30
Distributed optical fiber disturbance positioning system based on the asymmetric dual Mach-Zehnder interference, and positioning method thereof Grant 10,365,126 - Liu , et al. July 30, 2	2019-07-30
Fiber Bragg Grating Demodulation Device Capable Of Supressing Fluctuations At Variable Ambient Temperature And Demodulation Meth App 20190178688 - JIANG; Junfeng ; et al.	2019-06-13
Optical Fiber Laying Method By Using Archimedes Spiral In Optical Frequency Domain Reflection App 20190121048 - LIU; Tiegen ; et al.	2019-04-25
Fiber Optical Fabry-perot Flow Test Device And Test Method With Local Bending Diversion Structure App 20190120672 - LIU; Tiegen	2019-04-25
Distributed Measuring Device And Method For Simultaneously Measuring Strain And Temperature Based On Optical Frequency Domain Reflection App 20190011253 - DING; Zhenyang ; et al.	2019-01-10
Distributed Optical Fiber Disturbance Positioning System Based On The Asymmetric Dual Mach-zehnder Interference, And Positioning Method Thereof App 20180292240 - LIU; Kun ; et al.	2018-10-11
High Resolution Polarized Low-coherence Interference Pressure Measurement Device And Method Thereof App 20180283969 - WANG; Shuang ; et al.	2018-10-04
Distributed disturbance sensing device and the related demodulation method based on polarization sensitive optical frequency domain reflectometry Grant 9,322,740 - Liu , et al. April 26, 2	2016-04-26
High stable fiber fabry-perot pressure sensor with glue-free packing and its fabrication method Grant 9,074,957 - Jiang , et al. July 7, 2	2015-07-07
Swing-style and high signal-to-noise ratio demodulation devices and corresponding demodulation method for the measurement of low coherence interference displacement Grant 8,958,075 - Liu , et al. February 17, 2	2015-02-17
Multi-band multiplexing intra-cavity gas sensing system and method Grant 8,934,100 - Liu , et al. January 13, 2	2015-01-13
High stable fiber fabry-perot pressure sensor with glue-free packing and its fabrication method App 20140208858 - Jiang; Junfeng ; et al.	2014-07-31
Distributed Disturbance Sensing Device And The Related Demodulation Method Based On Polarization Sensitive Optical Frequency Domain Reflectometry App 20140176937 - Liu; Tiegen ; et al.	2014-06-26
Swing-style And High Signal-to-noise Ratio Demodulation Devices And Corresponding Demodulation Method For The Measurement Of Low Coherence Interference Displacement App 20140176959 - Liu; Tiegen ; et al.	2014-06-26
Multi-band Multiplexing Intra-cavity Gas Sensing System And Method App 20140176951 - Liu; Kun ; et al.	2014-06-26

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