ClassID:

171992

G01R33/022 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables; Measuring direction or magnitude of magnetic fields or magnetic flux Measuring gradient

Recent Application in this class:
#1
20250327882
2025-10-23

ELECTRIC SHIELDING MAGNETIC TUNNEL JUNCTION SIGNAL ISOLATOR

#2
20250199037
2025-06-19

METHOD AND SENSOR DEVICE FOR DETERMINING AN ELECTRICAL CURRENT FLOWING IN A CONDUCTOR AND CURRENT MEASURING SYSTEM

#3
20250152063
2025-05-15

Sensor Unit and Method for Detecting Brain-Wave-Induced Magnetic Fields

#4
20250138118
2025-05-01

DIGITAL SENSOR WITH A HIGH DYNAMIC RANGE FOR MEASURING GRADIENT CURRENTS OF A MAGNETIC RESONANCE TOMOGRAPHY DEVICE AND MAGNETIC RESONANCE TOMOGRAPHY DEVICE HAVING SAID DIGITAL SENSOR

#5
20250138114
2025-05-01

MEASURING ASSEMBLIES AND METHOD FOR DETERMINING A MAGNETIC GRADIENT FORCE AND THE DISTRIBUTION THEREOF

#6
20250076417
2025-03-06

SENSOR LAYOUT IN A MAGNETOMETER SYSTEM

#7
20250044379
2025-02-06

A SYSTEM AND METHOD OF MEASURING ELECTRIC AND/OR MAGNETIC FIELD OF AN OBJECT

#8
20240385261
2024-11-21

MEMS magnetometer and gradiometer arrays and patterns

#9
20240230794
2024-07-11

MAGNETIC FIELD GRADIOMETER

#10
20240230793
2024-07-11

DEVICE AND METHOD FOR DETERMINING AN ORIENTATION OF A MAGNET, AND A JOYSTICK

#11
20240133979
2024-04-25

MAGNETIC FIELD GRADIOMETER

#12
20240133978
2024-04-25

DEVICE AND METHOD FOR DETERMINING AN ORIENTATION OF A MAGNET, AND A JOYSTICK

#13
20240044938
2024-02-08

Nanoscale scanning sensors

#14
20240036084
2024-02-01

CURRENT SENSOR SYSTEM

#15
20230305082
2023-09-28

System and method for measuring second order and higher gradients

#16
20230266418
2023-08-24

TIME EFFICIENT MULTI-PULSED FIELD GRADIENT (MPFG) MRI WITHOUT CONCOMITANT GRADIENT FIELD ARTIFACTS

#17
20230258744
2023-08-17

Gradient magnetic field sensor and magnetic matter detection device

#18
20230213599
2023-07-06

INVERSE ESTIMATION-BASED RADIUS CALCULATION METHOD AND SYSTEM FOR FERROMAGNETIC TARGET DETECTION

#19
20230204690
2023-06-29

Single point gradiometer

#20
20230204688
2023-06-29

BIOMAGNETIC FIELD SENSOR SYSTEMS AND METHODS FOR DIAGNOSTIC EVALUATION OF CARDIAC CONDITIONS

#21
20230160979
2023-05-25

Devices and methods for measuring a magnetic field gradient

#22
20230099699
2023-03-30

Indoor access point position management

#23
20230097313
2023-03-30

ELECTROMAGNETIC GRADIOMETERS

#24
20230094526
2023-03-30

Magnetic sensor sensitivity matching calibration

#25
20230074561
2023-03-09

SENSOR LOCALIZATION IN A MAGNETOENCEPHALOGRAPHY (MEG) SYSTEM

#26
20220413007
2022-12-29

Nanoscale scanning sensors

#27
20220386873
2022-12-08

Brain measurement apparatus and brain measurement method

#28
20220291301
2022-09-15

Single point gradiomeier

#29
20220291300
2022-09-15

System and method for measuring second order and higher gradients

#30
20220291299
2022-09-15

Casimir-enabled sensing system and method

#31
20220236341
2022-07-28

Electromagnet control device and electromagnet system

#32
20220229123
2022-07-21

Position measuring mechanism and measuring method of linear motion system

#33
20220221529
2022-07-14

Magnetic detector, detection method, and non-transitory computer readable storage medium

#34
20220120829
2022-04-21

Magnetic sensor system

#35
20220091161
2022-03-24

Current sensor system

#36
20220043080
2022-02-10

Magnetic sensor device

#37
20220018910
2022-01-20

Multi-channel atomic magnetic detector

#38
20220003797
2022-01-06

Method and system for determining existence of magnetic disturbances

#39
20210325482
2021-10-21

Biomagnetic field sensor systems and methods for diagnostic evaluation of cardiac conditions

#40
20210319693
2021-10-14

System and method for parking detection and identification of moveable apparatus

#41
20210302508
2021-09-30

MAGNETIC SENSOR MODULE

#42
20210293901
2021-09-23

Devices and methods for measuring a magnetic field gradient

#43
20210190893
2021-06-24

MAGNETIC SENSOR SENSITIVITY MATCHING CALIBRATION

#44
20210150905
2021-05-20

Marker detection method and vehicular system

#45
20210148860
2021-05-20

Observation method and observation device

#46
20210141034
2021-05-13

Electromagnet gradient coil apparatus for micro-device localization

#47
20210139164
2021-05-13

METHOD, DEVICE AND SYSTEM FOR DETECTING MAGNETIC FIELD INTERFERENCE

#48
20210137412
2021-05-13

In-vivo monitoring of an internal volume of a mammal using magnetic field gradients

#49
20210123989
2021-04-29

Magnetic body detecting device

#50
20210063498
2021-03-04

Electromagnet control device and electromagnet system

#51
20210003395
2021-01-07

Magnetic position sensors, systems and methods

#52
20200326389
2020-10-15

Method for making a magnetic gradiometer with high detection accuracy and success rate

#53
20200326388
2020-10-15

Method for analyzing magnetic detection blind zone

#54
20200271733
2020-08-27

Magnetic field gradient sensor with reduced sensitivity to vibrations

#55
20200256934
2020-08-13

Magnetic sensor system

#56
20200209326
2020-07-02

Magnetic sensor device

#57
20200176162
2020-06-04

Magnet arrangement for position sensor device and corresponding position sensor device

#58
20200152854
2020-05-14

Gradiometric parallel superconducting quantum interface device

#59
20200149925
2020-05-14

Magnetic position sensor system and method

#60
20200142057
2020-05-07

DeepSAR: Specific Absorption Rate (SAR) prediction and management with a neural network approach

#61
20200124398
2020-04-23

Discrete magnetic angle sensor device, a magnetic angle sensor arrangement, a method for generating an angle signal and a method for providing a sensor signal

#62
20200116802
2020-04-16

Triaxial magnetism detecting apparatus and satellite

#63
20200088768
2020-03-19

Electrical current transducer with magnetic field gradient sensor

#64
20200083424
2020-03-12

Gradiometric parallel superconducting quantum interface device

#65
20200025840
2020-01-23

Electromagnetic gradiometers

#66
20200003848
2020-01-02

Integrated fluxgate magnetic gradient sensor

#67
20190391215
2019-12-26

ATOMIC MAGNETOMETER, GRADIOMETER, AND BIOMAGNETISM MEASUREMENT APPARATUS

#68
20190391213
2019-12-26

MAGNETIC FIELD MEASUREMENT SYSTEMS AND METHODS OF MAKING AND USING

#69
20190350487
2019-11-21

System and method for fast imaging in magnetic resonance imaging

#70
20190346514
2019-11-14

Magnetoresistive sensor with compensating coil

#71
20190339339
2019-11-07

SQUID array planar and axial gradiometer

#72
20190325006
2019-10-24

Apparatuses and methods for calibrating magnetometer attitude-independent parameters

#73
20190293730
2019-09-26

Device for determining location in space relative to a similar device

#74
20190286232
2019-09-19

Bracelet in a distributed artificial reality system

#75
20190214155
2019-07-11

Mineral insulated combined flux loop and B-dot wire

#76
20190094406
2019-03-28

Apparatus and method for data acquisition

#77
20190079141
2019-03-14

Stray magnetic field robust magnetic field sensor and system

#78
20190018164
2019-01-17

System and method for airborne geophysical exploration

#79
20180348393
2018-12-06

Array of UAVS with magnetometers

#80
20180335493
2018-11-22

Gradient coil assembly for a magnetic resonance apparatus

#81
20180335294
2018-11-22

Magnetic sensor using multiple gradiometers for angle detection

#82
20180328887
2018-11-15

Observation method and observation device

#83
20180321333
2018-11-08

Self-calibrating solid-state magnetometer for vectorized field sensing via zero-field spin-dependent recombination

#84
20180265219
2018-09-20

Method, device and system for detecting magnetic field interference

#85
20180210039
2018-07-26

Gradiometer system and method

#86
20180209266
2018-07-26

Measuring instruments, systems and magnetic gradiometers

#87
20180180671
2018-06-28

Power drive transistor resonance sensor

#88
20180138752
2018-05-17

LONG DISTANCE POSITIONING GUIDE FOR WIRELESS POWER

#89
20180128883
2018-05-10

Electrical structural member and production method for producing such an electrical structural member

#90
20180092569
2018-04-05

System and method for fast imaging in magnetic resonance imaging

#91
20180088194
2018-03-29

Generating gradient signal

#92
20180080961
2018-03-22

Isolated DC current and voltage sensor with low crosstalk

#93
20180014738
2018-01-18

Magnetic field measurement apparatus and method for noise environment

#94
20170343349
2017-11-30

Extended Kalman filter based autonomous magnetometer calibration

#95
20170336480
2017-11-23

Method for Measuring Magnetic Field Gradients

#96
20170205473
2017-07-20

Magnetoresistive Z-axis gradient sensor chip

#97
20170168123
2017-06-15

Magnetoresistive sensor and gradiometer

#98
20170131367
2017-05-11

Redundant magnetic angle sensor with improved accuracy

#99
20170108565
2017-04-20

Digital amplifier

#100
20170100051
2017-04-13

Magnetic gradiometer element and magnetic gradiometer

#101
20170090061
2017-03-30

Metamaterial-based electromagnetic field measurement device

#102
20170075020
2017-03-16

Measurement of magnetic field gradients

#103
20170074660
2017-03-16

Magnetic field gradient navigation aid

#104
20170045590
2017-02-16

Magnetic resonance imaging apparatus and magnetic resonance imaging method

#105
20170023501
2017-01-26

Resonant electromagnetic sensor and inspection system

#106
20160349334
2016-12-01

Integrated fluxgate magnetic gradient sensor

#107
20160334242
2016-11-17

Discrete magnetic angle sensor device, a magnetic angle sensor arrangement, a method for generating an angle signal and a method for providing a sensor signal

#108
20160223622
2016-08-04

Squid sensor module and magnetoencephalography measuring apparatus

#109
20160161573
2016-06-09

Magnetic field detection device

#110
20160146903
2016-05-26

Low-power magnetometer assemblies with high offset stability

#111
20160139213
2016-05-19

Variable permeability magnetometer systems and methods for aerospace applications

#112
20150352354
2015-12-10

Detector for electromagnetic fields

#113
20150253355
2015-09-10

Nanoscale scanning sensors

#114
20150212166
2015-07-30

MAGNETORESISTIVE SENSOR AND GRADIOMETER

#115
20150168348
2015-06-18

Resonant electromagnetic sensor and inspection system

#116
20150137814
2015-05-21

Gradient magnetic field coil device and magnetic resonance imaging device

#117
20150130455
2015-05-14

Magnetoresistive magnetic field gradient sensor

#118
20150022192
2015-01-22

Discrete magnetic angle sensor device, a magnetic angle sensor arrangement, a method for generating an angle signal and a method for providing a sensor signal

#119
20140218013
2014-08-07

Magnetic position sensors, systems and methods

#120
20140077612
2014-03-20

Magnetic shielding device and magnetic shielding method

#121
20130238268
2013-09-12

Apparatuses and methods for calibrating magnetometer attitude-independent parameters

#122
20130127458
2013-05-23

Magnetic gradiometer and magnetic sensing method

#123
20130043863
2013-02-21

Magnetic position sensors, systems and methods

#124
20130015847
2013-01-17

Magnetic field sensor and method for determining and correcting an offset voltage of a magnetic field sensor

#125
20120245877
2012-09-27

Geomagnetic field measurement device, offset determination method, and computer readable recording medium therefor

#126
20120206143
2012-08-16

Resonant electromagnetic sensor

#127
20120206133
2012-08-16

Resonant Electromagnetic Sensor

#128
20120112738
2012-05-10

Sensors for Integrated Monitoring and Mitigation of Scour

#129
20120001621
2012-01-05

Method of determining distance to a ferrous material

#130
20110304325
2011-12-15

Magnetic field sensor with suspended stress gauge

#131
20110273175
2011-11-10

PERMANENT MAGNETIC ASSEMBLY FOR

#132
20110248854
2011-10-13

System and method for magnetometer installation

#133
20110193555
2011-08-11

Atomic magnetometer and magnetic sensing method

#134
20110175604
2011-07-21

Stabilization system for sensors on moving platforms

#135
20110144472
2011-06-16

METHODS OF GRAVITY AND/OR MAGNETIC HOLOGRAPHIC IMAGING USING VECTOR AND/OR TENSOR DATA

#136
20110133832
2011-06-09

Digital amplifier with feedforward and feedback control

#137
20110118587
2011-05-19

OPTIMIZATION OF RF TRANSMIT AND GRADIENT MAGNETIC FIELD IMAGING USING RADIO FREQUENCY AND GRADIENT COILS

#138
20110101972
2011-05-05

Gradient magnetometer atom interferometer

#139
20110077506
2011-03-31

METHODS AND COMPOSITIONS FOR MOLECULAR IMAGING

#140
20110046906
2011-02-24

Structure of a magnetic-field gradient sensor and process for fabricating it in integrated technology

#141
20110013481
2011-01-20

METHOD AND APPARATUS FOR DETECTING MARINE DEPOSITS

#142
20110006766
2011-01-13

Coil selection for parallel magnetic resonance imaging

#143
20100295546
2010-11-25

Gradient sensor of a component of a magnetic field with permanent magnet

#144
20100264905
2010-10-21

Arrangement for the potential-free measurement of currents

#145
20100211337
2010-08-19

Method and apparatus for detection using magnetic gradient tensor

#146
20100127700
2010-05-27

Magnetic sensor circuit

#147
20100102809
2010-04-29

DIFFERENTIAL GRADIOMETRIC MAGNETOMETER, SYSTEM AND METHOD OF USE

#148
20090039890
2009-02-12

ARRANGEMENT FOR OPERATING A GEOPHYSICAL LOCATING DEVICE

#149
20090006009
2009-01-01

Method and system for improving target localization and characterization

#150
20080297150
2008-12-04

Arrangement for magnetic field measurement

#151
20080204010
2008-08-28

Magnetic field dosimeter

#152
20080154119
2008-06-26

Method to correct magnetic field/phase variations in proton resonance frequency shift thermometry in magnetic resonance imaging

#153
20080068009
2008-03-20

Method for testing magnetic field distribution and apparatus therefor

#154
20070290678
2007-12-20

Magnetic sensor system

#155
20070096729
2007-05-03

Combined magnetic field gradient and magnetic field strength sensor

#156
20060055614
2006-03-16

Apparatus for detection of the gradient of a magnetic field, and a method for production of the apparatus

#157
20050073301
2005-04-07

Sensor element and gradiometer assemblage, use thereof for measuring magnetic field gradients, and method therefor

#158
17834937
2023-06-27

Movement sensing device

#159
16932431
2023-01-31

Phononic comb enhanced gradiometers

#160
16932427
2024-05-21

Magnetostrictive MEMS magnetic gradiometer

#161
15804300
2020-01-07

Method and system for performing magnetic anomaly sensing