ClassID:

172113

G01R33/421 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables involving magnetic resonance; Details of apparatus provided for in groups  - ; Screening of main or gradient magnetic field

Sub-classes:
Recent Application in this class:
#1
20250216487
2025-07-03

GRADIENT COIL ASSEMBLY AND MAGNETIC RESONANCE IMAGING SYSTEM

#2
20250093444
2025-03-20

Cryostat Structure and Combination of Getters

#3
20250076431
2025-03-06

Shielding Arrangement and Magnetic Resonance Device

#4
20240151787
2024-05-09

FORCE MAGNETOMETER FOR REEL-TO-REEL ASSESSMENT OF SUPERCONDUCTING TAPES

#5
20240019514
2024-01-18

THERMALLY ISOLATING CABLING ASSEMBLIES, SYSTEMS USING THERMALLY ISOLATING CABLING ASSEMBLIES, AND METHODS OF FABRICATING THERMALLY ISOLATING CABLING ASSEMBLIES

#6
20230305088
2023-09-28

LIGHTWEIGHT MAGNET ARRAYS FOR MRI APPLICATIONS

#7
20230017149
2023-01-19

Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other

#8
20220406503
2022-12-22

Support structure for superconducting coil

#9
20220381859
2022-12-01

Accessible magnetic resonance imaging system

#10
20220326325
2022-10-13

Coil support

#11
20220291312
2022-09-15

Device, system and method for obtaining a magnetic measurement with permanent magnets

#12
20220270796
2022-08-25

CRYOCOOLER AND MAGNETIC SHIELD

#13
20220187397
2022-06-16

Magnetic resonance tomography with simulation-based interference reduction

#14
20220155393
2022-05-19

Magnetic resonance imaging device

#15
20220082644
2022-03-17

Method and device for active suppression of electric and/or magnetic fields emitted during magnetic resonance acquisitions

#16
20210361973
2021-11-25

Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging

#17
20210358667
2021-11-18

Electromagnet assembly

#18
20210210268
2021-07-08

DEVICE, SYSTEM AND METHOD FOR OBTAINING A MAGNETIC MEASUREMENT WITH PERMANENT MAGNETS

#19
20210162236
2021-06-03

Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other

#20
20210154495
2021-05-27

Particle therapy system

#21
20210003648
2021-01-07

Reducing magnetic field instabilities caused by oscillations of a mechanical cryo-cooler in magnetic resonance systems

#22
20200355768
2020-11-12

COIL SYSTEM WITH DIFFERENT CURRENTS DRIVEN THROUGH THE SHIELD AND PRIMARY COILS

#23
20200064423
2020-02-27

MRI magnet and apparatus

#24
20200041600
2020-02-06

Magnetic resonance imaging apparatus and magnetic resonance imaging method for correcting distortion of a collected magnetic resonance image

#25
20200038688
2020-02-06

Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging

#26
20200027633
2020-01-23

Cryocooler and magnetic shield

#27
20200011947
2020-01-09

System for reduction of a magnetic fringe field of a magnetic resonance imaging device

#28
20190387647
2019-12-19

Magnetically shielded room

#29
20190217126
2019-07-18

Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other

#30
20190172620
2019-06-06

Device, system and method for obtaining a magnetic measurement with permanent magnets

#31
20190172619
2019-06-06

Electromagnet assembly

#32
20190170840
2019-06-06

Device, system and method for obtaining a magnetic measurement with permanent magnets

#33
20190154777
2019-05-23

Cryogenic field sensing for compensating magnetic field variations in magnetic resonance imaging magnets

#34
20190107591
2019-04-11

Methods for adjusting a magnetic field of a magnetic resonance tomography device, magnetic power supplies, and magnetic resonance tomography devices

#35
20190082997
2019-03-21

Ultra-low field nuclear magnetic resonance device

#36
20190033403
2019-01-31

Reducing magnetic field instabilities caused by oscillations of a mechanical cryo-cooler in magnetic resonance systems

#37
20190011170
2019-01-10

Cryocooler and magnetic shield structure of cryocooler

#38
20180321342
2018-11-08

ELECTROMAGNET CURRENT CONSTRAINTS

#39
20180313921
2018-11-01

System for reduction of a magnetic fringe field of a magnetic resonance imaging device

#40
20180267117
2018-09-20

Shutting assembly for closing an entrance of an MRI device

#41
20180238819
2018-08-23

Portable NMR device for detecting an oil concentration in water

#42
20180059195
2018-03-01

Magnetic resonance imaging method and system

#43
20180040406
2018-02-08

Device, system and method for obtaining a magnetic measurement with permanent magnets

#44
20180024211
2018-01-25

System and method for magnetic resonance coil arrangement

#45
20180017644
2018-01-18

System and method for magnetic resonance coil arrangement

#46
20170261445
2017-09-14

Method for Monitoring a Process for Refining a Hydrocarbon Feedstock by NMR Measurement of Transverse Relaxation time T2

#47
20170254865
2017-09-07

A MAGNETIC RESONANCE APPARATUS COMPRISING A PLASMA ANTENNA

#48
20170242084
2017-08-24

Magnet for head extremity imaging

#49
20170097397
2017-04-06

Superconducting coil support device and method and apparatus including superconducting coil support device

#50
20170014644
2017-01-19

Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other

#51
20170010380
2017-01-12

Ultra-slim nuclear magnetic resonance tool for oil well logging

#52
20170010379
2017-01-12

Ultra-slim nuclear magnetic resonance tool for oil well logging

#53
20170001039
2017-01-05

Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging

#54
20160341805
2016-11-24

Multifunctional superconducting coil providing electromagnetic interference shielding and shimming for magnetic resonance imaging system

#55
20160322155
2016-11-03

Method to enable standard alternating current (AC)/direct current (DC) power adapters to operate in high magnetic fields

#56
20160054399
2016-02-25

Magnetic resonance imaging apparatus including drawing structure to draw electronic apparatus away from gantry

#57
20150323618
2015-11-12

Systems and methods for moving magnetic resonance imaging

#58
20150212225
2015-07-30

Ultra-slim nuclear magnetic resonance tool for oil well logging

#59
20150137812
2015-05-21

Shutting assembly for closing an entrance of an MRI device

#60
20150065860
2015-03-05

Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other

#61
20150015261
2015-01-15

Patient bore with integrated radiofrequency return flux space

#62
20140296074
2014-10-02

Superconducting magnet and nuclear magnetic resonance device

#63
20140135615
2014-05-15

Combined MRI and radiation therapy system

#64
20140128267
2014-05-08

Open-type nuclear magnetic resonance magnet system having an iron ring member

#65
20140121114
2014-05-01

Self-shield open magnetic resonance imaging superconducting magnet

#66
20140084925
2014-03-27

System and method for prepolarizing magnetic resonance- or relaxation-based measurements

#67
20140062486
2014-03-06

Split gradient coil and hybrid systems using same

#68
20140062483
2014-03-06

Magnetic shield for MR magnet

#69
20140061202
2014-03-06

Warm bore cylinder assembly

#70
20130271145
2013-10-17

Apparatus and method for canceling magnetic fields

#71
20130229178
2013-09-05

Local screen and method for the screening out of magnetic resonance signals

#72
20130184158
2013-07-18

Superconducting magnet system for nuclear magnetic resonance with high magnetic field and high degree of homogeneity of magnetic field

#73
20130154636
2013-06-20

Magnetic resonance imaging apparatus, magnetic field adjustment implement for magnetic resonance imaging apparatus, magnetic resonance imaging method, and method of adjusting magnetic field for magnetic resonance imaging apparatus

#74
20130009642
2013-01-10

MRI magnet and MRI system with optimized fringe fields, attractive forces and spatial constraints

#75
20120274327
2012-11-01

Magnetic shielding material for superconducting magnet

#76
20120241631
2012-09-27

Split gradient coil and PET/MTI hybrid system using the same

#77
20120200295
2012-08-09

Method to generate magnetic fields of high uniformity and compensation of external dispersed field, and system for its embodiment

#78
20120146645
2012-06-14

Magnetic field unit of an MRT system for image capturing a head region

#79
20120146644
2012-06-14

INTEGRATED FIELD GENERATION UNIT FOR AN MRT SYSTEM

#80
20120068795
2012-03-22

Magnet assemblies and methods for making the same

#81
20120004109
2012-01-05

Magnet assemblies and methods for temperature control of the magnet assemblies

#82
20110317393
2011-12-29

Operating Container for a Magnetic Resonance Apparatus

#83
20110291782
2011-12-01

Solenoidal magnets having supported outer coils

#84
20110084206
2011-04-14

Compact superconducting magnet configuration with active shielding having a shielding coil contributing to field formation

#85
20110082043
2011-04-07

Superconducting magnet system for generating high homogeneity and high magnetic field

#86
20110074419
2011-03-31

Magnetic resonance imaging apparatus

#87
20110012593
2011-01-20

Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other

#88
20100301977
2010-12-02

Superconducting magnet device

#89
20100277263
2010-11-04

Superconducting, actively shielded magnet

#90
20100256480
2010-10-07

Methods, systems and devices for local magnetic resonance imaging

#91
20100079144
2010-04-01

Magnets for use in magnetic resonance imaging

#92
20100060282
2010-03-11

THREE-DIMENSIONAL ASYMMETRIC TRANSVERSE GRADIENT COILS

#93
20100033186
2010-02-11

Split gradient coil and PET/MRI hybrid system using the same

#94
20090261246
2009-10-22

Compact superconducting magnet configuration with active shielding having a shielding coil contributing to field formation

#95
20090243774
2009-10-01

Magnetic field generator manufacturing method

#96
20090237192
2009-09-24

MAGNETIC RESONANCE IMAGING SYSTEM AND APPARATUS HAVING A MULTIPLE-SECTION

#97
20090195249
2009-08-06

Magnetic shielding for a PET detector system

#98
20090135578
2009-05-28

MAGNETIC SHIELDING FOR HIGH FIELD MAGNET

#99
20090128270
2009-05-21

Solenoidal superconducting magnet structure

#100
20090043189
2009-02-12

Mobile combined MRI/PET apparatus

#101
20090040664
2009-02-12

Active shield superconducting electromagnet apparatus and magnetic resonance imaging system

#102
20090009170
2009-01-08

High-magnetic field MRI system within a housing and a method of operating an MRI system within a housing

#103
20080312526
2008-12-18

Hybrid PET/MR imaging systems

#104
20080180100
2008-07-31

Superconducting magnet with refrigerator and magnetic resonance imaging apparatus using the same

#105
20080150524
2008-06-26

Nuclear magnetic resonance module

#106
20080100295
2008-05-01

Superconductive magnetic apparatus for magnetic resonance imaging unit

#107
20080007375
2008-01-10

Superconducting magnet coil system with quench protection

#108
20070272369
2007-11-29

Magnetic shield structure having openings and a magnetic material frame therefor

#109
20070247263
2007-10-25

Method of manufacturing a solenoidal magnet

#110
20070216506
2007-09-20

Superconducting electromagnet

#111
20070206555
2007-09-06

Compensation of magnetic influence in a MWD system

#112
20070182516
2007-08-09

Magnetic resonance imaging device with an active shielding device

#113
20070152789
2007-07-05

Superconducting magnet and magnetic resonance imaging apparatus using the same

#114
20070069730
2007-03-29

Assembly for generating magnetic fields in a magnetic resonance tomography apparatus that allows use of a superconducting gradient field device

#115
20070057754
2007-03-15

Systems and methods for passively shielding a magnetic field

#116
20070057667
2007-03-15

Magnet device

#117
20070018648
2007-01-25

Multi-layer magnet

#118
20070001792
2007-01-04

MRI superconductive magnet

#119
20060255805
2006-11-16

Shielded, asymmetric magnets for use in magnetic resonance imaging

#120
20060238196
2006-10-26

Systems, methods and apparatus of a magnetic resonance imaging system to produce a stray field suitable for interventional use

#121
20060186884
2006-08-24

Shielding for mobile MR systems

#122
20060181382
2006-08-17

Apparatus for positioning a non-imaged extremity during a magnetic imaging process

#123
20060181381
2006-08-17

Dipole shim coil for external field adjustment of a shielded superconducting magnet

#124
20060082369
2006-04-20

MRI magnet apparatus for vertically and circularly suppressing the magnetic fringe field

#125
20060038565
2006-02-23

Systems, methods and apparatus of a magnetic resonance imaging magnet to produce an asymmetrical stray field

#126
20060033496
2006-02-16

Self-shielded gradient field coil for magnetic resonance imaging

#127
20060017536
2006-01-26

Systems, methods and apparatus for hybrid shielding in a magnetic resonance imaging system

#128
20050231859
2005-10-20

Methods and apparatus for protecting an MR imaging system

#129
20050174118
2005-08-11

Superconducting magnet system with drift compensation

#130
20050146332
2005-07-07

Method and apparatus for magnetic resonance imaging

#131
20050116713
2005-06-02

Apparatus and method for detection of magnetic resonance by a magneto-resistive sensor

#132
20050110603
2005-05-26

Magnetic shielding system

#133
20050110494
2005-05-26

Additional fringe field shield for a superconducting magnet coil system

#134
20050092395
2005-05-05

Magnetic field generator and its manufacturing method

#135
17373406
2022-11-15

Shielding of a portable MRI system