G01V8/24 - CPC Classification Index

#1

20250180768

2025-06-05

LONG OFFSET LOW FREQUENCY SEISMIC SURVEYS USING OPTICAL FIBERS

#2

20240125962

2024-04-18

ROBUST SOURCE LOCALIZATION WITH JOINT TIME ARRIVAL AND VELOCITY ESTIMATION FOR CABLE CUT PREVENTION

#3

20240118115

2024-04-11

SPATIAL SENSING DEVICE, SPATIAL SENSING SYSTEM, AND SPATIAL SENSING METHOD

#4

20230296425

2023-09-21

Distributed acoustic sensing system with propagation direction and related methods

#5

20220415169

2022-12-29

Systems and methods for fiber optic based vehicle-direction detection

#6

20220236445

2022-07-28

Subsurface strain estimation using fiber optic measurement

#7

20220214468

2022-07-07

Retrievable fiber optic vertical seismic profiling data acquisition system with integrated logging tool for geophone-equivalent depth accuracy

#8

20220196875

2022-06-23

Light source for an optical sensor

#9

20220172611

2022-06-02

Systems and methods for fiber optic based vehicle-direction detection

#10

20210381922

2021-12-09

Distributed sensing system for network cable systems

#11

20210278310

2021-09-09

Distributed sensing system for network cable systems

#12

20210223067

2021-07-22

Systems and methods to reduce acoustic noise in fiber optic based sensor systems

#13

20210199488

2021-07-01

Systems and methods for weigh scale perimeter monitoring for scanner-scales

#14

20210132254

2021-05-06

System and method for optical measurements in a rotary machine

#15

20200309662

2020-10-01

Liquid debris sensor and system

#16

20200200943

2020-06-25

Methods and systems for providing access to interferometric system data

#17

20200142093

2020-05-07

Marine cable device adapted for the prevention of fouling

#18

20190338484

2019-11-07

METHOD FOR EARLY DETECTION OF THE RISKS OF FAILURE OF A NATURAL OR MAN-MADE STRUCTURE

#19

20190226908

2019-07-25

Distributed acoustic sensing system based on space-division multiplexing with multi-core fiber

#20

20190226334

2019-07-25

Fluid imaging in a borehole

#21

20180313974

2018-11-01

Optical frequency comb source for fiber sensor interferometer arrays

#22

20180292561

2018-10-11

CROSSWELL TOMOGRAPHY USING AN ARRAY OF OPTICAL FIBER TRANSDUCERS

#23

20180283928

2018-10-04

Light-guiding element arrangement for optical drop detection

#24

20180188413

2018-07-05

Improving dynamic range in fiber optic magnetic field sensors

#25

20180058197

2018-03-01

Distributed optical sensing using compressive sampling

#26

20180051556

2018-02-22

Modulating downhole reflector

#27

20180011217

2018-01-11

Optical filter

#28

20170371067

2017-12-28

BUILDING MONITORING SYSTEM

#29

20170363412

2017-12-21

Pressure insensitive interferometer

#30

20170336248

2017-11-23

Optical fiber vibration measurement system in multiphase flows with related method to monitor multiphase flows

#31

20170328195

2017-11-16

Methods and systems employing fiber optic sensors for electromagnetic cross-well telemetry

#32

20170322333

2017-11-09

Onshore electromagnetic reservoir monitoring

#33

20170308173

2017-10-26

Display apparatus for vehicle

#34

20170227665

2017-08-10

OFFSHORE ELECTROMAGNETIC RESERVOIR MONITORING

#35

20170212273

2017-07-27

A BOREHOLE SENSING SEISMIC FIBER OPTIC TOOL

#36

20170131431

2017-05-11

Sensing systems and methods with phase unwrapping based on a dynamic phase change model

#37

20160377456

2016-12-29

System and method for sensing many fiber sensors using time-division multiplexing and wavelength division multiplexing

#38

20160327740

2016-11-10

Branching device for fiber optic circuits

#39

20160320526

2016-11-03

Multiple spectrum channel, multiple sensor fiber optic monitoring system

#40

20160306073

2016-10-20

Downhole Sensing Systems and Methods Employing Spectral Analysis of Time-Division Multiplexed Pulse Sequences

#41

20160223711

2016-08-04

Apparatus and methods of multiplexing transmissive optical sensors

#42

20160161633

2016-06-09

Geo-locating positions along optical waveguides

#43

20160161632

2016-06-09

Geo-locating positions along optical waveguides

#44

20160086459

2016-03-24

Fibre optic based intrusion sensing system

#45

20150369591

2015-12-24

Optical detection systems and methods of using the same

#46

20150185359

2015-07-02

Photoelectric switch for detection of an object and method for operating the same

#47

20150115146

2015-04-30

Nanofiber spectral analysis

#48

20150098673

2015-04-09

Geo-locating positions along optical waveguides

#49

20140208855

2014-07-31

Distributed acoustic sensing with multimode fiber

#50

20140203946

2014-07-24

Optical well logging

#51

20140193153

2014-07-10

Methods and apparatus to multiplex light signals

#52

20140175272

2014-06-26

Remote work methods and systems using nonlinear light conversion

#53

20140103203

2014-04-17

Imaging systems and image fiber bundles for downhole measurement

#54

20130320198

2013-12-05

Drop detection

#55

20130292555

2013-11-07

Apparatus and methods utilizing optical sensors operating in the reflection mode

#56

20130266039

2013-10-10

System and method for wellbore monitoring

#57

20130201484

2013-08-08

Optical detection systems and methods of using the same

#58

20130070235

2013-03-21

Multiple spectrum channel, multiple sensor fiber optic monitoring system

#59

20130025375

2013-01-31

Fiber optic pipeline monitoring systems and methods of using the same

#60

20120257475

2012-10-11

Optical fiber based downhole seismic sensor systems and methods

#61

20120223221

2012-09-06

NANOFIBER SPECTRAL ANALYSIS

#62

20100219334

2010-09-02

System and method for wellbore monitoring

#63

20090073533

2009-03-19

Apparatus and methods for use of a tunable optical source in safety curtain applications

#64

18738936

2024-10-29

Method of using crowd-sourced echo location pings to detect fiber locations using distributed acoustic sensing

#65

17333335

2021-12-07

Systems and methods for lanyard attachment detection on an aerial device

#66

14821172

2016-04-12

Methods and systems for detection and identification of concealed materials