ClassID:

172117

G01R33/441 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR] Nuclear Quadrupole Resonance [NQR] Spectroscopy and Imaging

Recent Application in this class:
#1
20260036658
2026-02-05

RF MATERIAL DETECTION DEVICE WITH SMART SCANNING MULTIPLE AXIS GIMBAL INTEGRATED WITH HAPTICS

#2
20230375487
2023-11-23

DEVICE FOR CHECKING THE AUTHENTICITY OF A DATA CARRIER HAVING A ZERO-FIELD NMR FEATURE

#3
20230273282
2023-08-31

System for radio frequency illumination based temperature modulated-nuclear quadrupole resonance (TM-NQR) and signature detection of potential threat materials

#4
20230044269
2023-02-09

APPARATUS AND METHOD FOR MAGNETIC RESONANCE MATERIAL LOCATOR

#5
20230038474
2023-02-09

Apparatus for the measurement of ore in mine haul vehicles

#6
20220042938
2022-02-10

System and method for hand-held NQR-based in-field screening of substances

#7
20210373098
2021-12-02

Material detection system

#8
20210173022
2021-06-10

Use of forward sensing probe for pretuning of probe

#9
20200371179
2020-11-26

Nuclear quadrupole resonance detection system and antenna

#10
20200333412
2020-10-22

Magnetic resonance detection (MRD) system for and methods of detecting and classifying multiple chemical substances

#11
20200249183
2020-08-06

DETECTOR COIL ARRANGEMENT FOR PORTABLE NQR DETECTION SYSTEMS

#12
20200225302
2020-07-16

Nanoscale nuclear quadrupole resonance spectroscopy

#13
20200182810
2020-06-11

Mobile detector and method for detecting potentially explosive substances, explosives and drugs by nuclear quadrupole resonance (NQR)

#14
20190296589
2019-09-26

Wireless power transfer system

#15
20190195973
2019-06-27

System and method for detection of chemicals using frequency modulated nuclear quadrupole resonance signals

#16
20190072506
2019-03-07

Multi-modal spectroscopic analysis

#17
20180203080
2018-07-19

Magnetic resonance spectrometer

#18
20170370861
2017-12-28

APPARATUS AND METHOD FOR DETECTING EXPLOSIVES

#19
20170350834
2017-12-07

APPARATUS AND METHOD FOR DETECTING CONCEALED EXPLOSIVES

#20
20170343496
2017-11-30

Authenticating an article

#21
20170219675
2017-08-03

NMR spin-echo amplitude estimation

#22
20160077178
2016-03-17

Method for identifying chemical species in a substance using NQR

#23
20150260812
2015-09-17

Enhanced nuclear quadrupole resonance and ground penetrating radar using metamaterial antenna

#24
20150160315
2015-06-11

RADIATOR-EXCITED CAVITY FOR NQR DETECTION

#25
20150160142
2015-06-11

METHOD AND APPARATUS FOR INCREASING SIGNAL TO NOISE RATIO IN AN NQR SYSTEM

#26
20150153430
2015-06-04

NUCLEAR QUADRUPOLE RESONANCE SYSTEM AND METHOD FOR INTERFACING WITH A SUBJECT MATERIAL

#27
20150077111
2015-03-19

METHOD AND APPARATUS USABLE FOR MINING AND MINERAL EXPLORATION

#28
20150077102
2015-03-19

Method and system for applying NQR pulse sequences

#29
20150054511
2015-02-26

Nuclear quadrupole resonance system

#30
20140333302
2014-11-13

Low power stimulated emission nuclear quadrupole resonance detection at multiple reference power levels

#31
20140266209
2014-09-18

Detection processing for NQR system

#32
20140266202
2014-09-18

Magnetic resonance apparatus for fast and reliable detection and recognition of minute quantities of specific substances

#33
20140210464
2014-07-31

NQR detection from continuous Rabi transitions

#34
20140128725
2014-05-08

NEONATE'S INCUBATOR AND MRI DOCKING-STATION

#35
20140070810
2014-03-13

Nuclear quadrupole resonance system and method of using the same to remove interference components from sensor signals

#36
20130300412
2013-11-14

Arrangement for multiple frequency, multiple portal NQR detection

#37
20130285652
2013-10-31

Method and apparatus usable for mining and mineral exploration

#38
20130271138
2013-10-17

Method for NMR measurements on quadrupolar nuclei

#39
20130090884
2013-04-11

Cooperative pulses

#40
20130002253
2013-01-03

Isotropic metamaterial lens for magnetic imaging applications

#41
20120242340
2012-09-27

Apparatus for detecting signals

#42
20120206141
2012-08-16

Method and apparatus for sensing the presence of explosives, contraband and other molecules using nuclear quadrupole resonance and a swept frequency continuous wave source

#43
20120169342
2012-07-05

Nuclear quadrupole resonance system and method for interfacing with a subject material

#44
20120161771
2012-06-28

Long distance explosive detection using nuclear quadrupole resonance and one or more monopoles

#45
20120161762
2012-06-28

Long range detection of explosives or contraband using nuclear quadrupole resonance

#46
20120161761
2012-06-28

Transmission line array for explosive detection using nuclear quadrupole resonance

#47
20120141009
2012-06-07

X-ray explosive imager

#48
20120139536
2012-06-07

Shipping container explosives and contraband detection system using nuclear quadrupole resonance

#49
20120136585
2012-05-31

Method and system for the detection and identification of explosives and/or contraband

#50
20120086450
2012-04-12

ENHANCED SECURITY PORTAL WITH MULTIPLE SENSORS

#51
20120068701
2012-03-22

System and method for improving the analysis of chemical substances using NQR

#52
20120041717
2012-02-16

System and method for sensing of a nuclear quadrupole resonance

#53
20120025827
2012-02-02

Nuclear quadrupole resonance system and method for structural health monitoring

#54
20120001631
2012-01-05

ULTRA-LOW FIELD NUCLEAR MAGNETIC RESONANCE METHOD TO DISCRIMINATE AND IDENTIFY MATERIALS

#55
20110241667
2011-10-06

Magnetic resonance using a phase-modulated pulse train with a constant small flip angle, causing a constant in power Walsh transform of the pulse train sequence of phases

#56
20110210728
2011-09-01

Enhancing signals

#57
20110193558
2011-08-11

PASSENGER SCANNING SYSTEMS FOR DETECTING CONTRABAND

#58
20110187363
2011-08-04

Method and apparatus for sensing the presence of explosives, contraband and other molecules using nuclear quadrupole resonance

#59
20110181281
2011-07-28

Equipment for inspecting explosives and/or illicit drugs, antenna coil and method for inspecting explosives and/or illicit drugs

#60
20110018535
2011-01-27

Method and apparatus usable for mining and mineral exploration

#61
20100315082
2010-12-16

Frequency swept excitation for magnetic resonance

#62
20100282960
2010-11-11

COMBINED IMAGING AND TRACE-DETECTION INSPECTION SYSTEM AND METHOD

#63
20100213365
2010-08-26

Screening system and method for operating the same

#64
20100212401
2010-08-26

SCREENING SYSTEM AND METHOD

#65
20090167322
2009-07-02

SYSTEMS AND METHOD FOR CLASSIFYING A SUBSTANCE

#66
20090136104
2009-05-28

Noise reduction apparatus, systems, and methods

#67
20090085565
2009-04-02

Parametric nuclear quadrupole resonance spectroscopy system and method

#68
20090072824
2009-03-19

Nuclear magnetic resonance evaluation using independent component analysis (ICA)-based blind source separation

#69
20090051359
2009-02-26

System and method for measuring formation temperature and/or pressure using nuclear quadrupole resonance

#70
20090039884
2009-02-12

Continuous wave nuclear quadrupole resonance spectrometer

#71
20090027050
2009-01-29

Frequency swept excitation for magnetic resonance

#72
20090027049
2009-01-29

Cancellation of ringing artifacts and far field interference in nuclear quadrupole resonance

#73
20090001975
2009-01-01

Apparatus and method for non-symmetric magnetic field balancing in an inspection scanner

#74
20080315874
2008-12-25

Passenger inspection system and methods for using the same

#75
20080309339
2008-12-18

System and method for improving the analysis of polymorphic chemical substance forms and concentrations using NQR

#76
20080224696
2008-09-18

Nuclear quadrupole resonance logging tool and methods for imaging therewith

#77
20080129291
2008-06-05

Method for reducing the coupling during reception between excitation and receive coils of a nuclear quadrupole resonance detection system

#78
20080106261
2008-05-08

Subfemtotesla radio-frequency atomic magnetometer for nuclear quadrupole resonance detection

#79
20080094061
2008-04-24

Use of multiple sensors in a nuclear quadropole resonance detection system to improve measurement speed

#80
20080036462
2008-02-14

Quadrupole resonance using narrowband probes and continuous wave excitation

#81
20080018332
2008-01-24

Method and apparatus for detection of quadrupole nuclei in motion relative to the search region

#82
20080001602
2008-01-03

Detecting quadrupole resonance signals using high temperature superconducting resonators

#83
20070279057
2007-12-06

Method and Apparatus for Improving the Detection of Nuclear Quadrupole Resonance Signals In Coherent Noise

#84
20070229069
2007-10-04

Metal shield alarm in a nuclear quadrupole resonance/X-ray contraband detection system

#85
20070222448
2007-09-27

Parametric nuclear quadrupole resonance spectroscopy system and method

#86
20070211922
2007-09-13

Integrated verification and screening system

#87
20070188172
2007-08-16

Frequency swept excitation for magnetic resonance

#88
20070176600
2007-08-02

Use of two or more sensors in a nuclear quadrupole resonance detection system to improve signal-to-noise ratio

#89
20070096731
2007-05-03

Open-Shape Noise-Resilient Multi-Frequency Sensors

#90
20070075865
2007-04-05

Method and system for producing and reading labels based on magnetic resonance techniques

#91
20070046371
2007-03-01

Power amplifier

#92
20070040556
2007-02-22

Q-factor switching method and apparatus for detecting nuclear quadrupole and nuclear magnetic resonance signals

#93
20070035295
2007-02-15

Metal shield alarm in a nuclear quadrupole resonance/X-ray contraband detection system

#94
20070018644
2007-01-25

Signal processing for detection of nqr signals

#95
20060273786
2006-12-07

Method of and apparatus for nuclear quadrupole resonance testing a sample

#96
20060255798
2006-11-16

Passively shielded inductive sensor system for personnel screening

#97
20060232274
2006-10-19

Nuclear quadrupole resonance inspection system

#98
20060226838
2006-10-12

NQR method and apparatus for testing a sample by applying multiple excitation blocks with different delay times

#99
20060145697
2006-07-06

Probe coil for detecting NQR-responsive materials in large volumes

#100
20060132127
2006-06-22

Parametric nuclear quadrupole resonance spectroscopy system and method

#101
20060122484
2006-06-08

Noncontact cargo detector

#102
20060119357
2006-06-08

Method for reducing the coupling between excitation and receive coils of a nuclear quadrupole resonance detection system

#103
20060091886
2006-05-04

Low esr switch for nuclear resonance measurements

#104
20060091883
2006-05-04

Pulse sequences for exciting nuclear quadrupole resonance

#105
20060082368
2006-04-20

Q-damping circuit including a high temperature superconductor coil for damping a high temperature superconductor self-resonant coil in a nuclear quadrupole resonance detection system

#106
20060038563
2006-02-23

Nuclear quadrupole resonance measurements

#107
20060033499
2006-02-16

Receive system for high q antennas in nqr and a method of detecting substances

#108
20060017439
2006-01-26

Method for biological identification using high temperature superconductor enhanced nuclear quadrupole resonance

#109
20060012371
2006-01-19

Frequency detection system comprising circuitry for adjusting the resonance frequency of a high temperature superconductor self-resonant coil

#110
20060012366
2006-01-19

Scanner for nuclear quadrupole resonance measurements and method therefor

#111
20050270028
2005-12-08

Decoupling high temperature superconductor sensor arrays in nuclear quadrupole resonance detection systems

#112
20050264289
2005-12-01

Methods and apparatus for scanning a band of frequencies using an array of high temperature superconductor sensors

#113
20050258831
2005-11-24

Scanning a band of frequencies using an array of high temperature superconductor sensors tuned to different frequencies

#114
20050248345
2005-11-10

Scanning a band of frequencies using an array of high temperature superconductor sensors tuned to the same frequency

#115
20050242815
2005-11-03

Magnetic gradient field projection

#116
20050206382
2005-09-22

Use of two or more sensors to detect different nuclear quadrupole resonance signals of a target compound

#117
20050202570
2005-09-15

Method for the detection and/or analysis of compounds simultaneously exhibiting nuclear quadrupolar resonance and nuclear magnetic resonance, or double nuclear quadrupolar resonance

#118
20050162163
2005-07-28

Pulse sequences for exciting nuclear quadrupole resonance

#119
20050146333
2005-07-07

Nuclear quadrupole resonance based inspection system using a highly resonant and compact magnetic structure

#120
20050146331
2005-07-07

Transmit-receive coil system for nuclear quadrupole resonance signal detection in substances and components thereof

#121
20050122109
2005-06-09

Detection of contraband using nuclear quadrupole resonance

#122
20050116716
2005-06-02

Sensor assembly and method for the detection of substances by nuclear quadrupolar resonance (NQR) and in presence of environmental interference

#123
20050116714
2005-06-02

Q-factor switching method and apparatus for detecting nuclear quadrupole and nuclear magnetic resonance signals

#124
20050104593
2005-05-19

Nuclear quadrupole resonance detection system using a high temperature superconductor self-resonant coil

#125
20050073306
2005-04-07

Method of and apparatus for nuclear quadrupole resonance testing a sample

#126
20050046420
2005-03-03

Method and system for adjusting the fundamental symmetric mode of coupled high temperature superconductor coils

#127
20050030029
2005-02-10

Cancellation of ringing in magnetic resonance utilizing a composite pulse

#128
18939132
2025-08-05

RF material detection device with smart scanning multiple axis gimbal integrated with haptics

#129
14263226
2015-06-09

Combinational nuclear quadrupole resonance (NQR) and nuclear magnetic resonance (NMR) apparatus with linear frequency chirp detected signals

#130
14208974
2017-02-21

Contoured quadrature coil arrangement

#131
14154293
2017-03-07

Detection using microwave assisted NQR

#132
13975940
2016-11-22

Method for detecting target materials using nuclear quadrupole resonance