ClassID:

172111

G01R33/389 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables involving magnetic resonance; Details of apparatus provided for in groups  - ; Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation

Recent Application in this class:
#1
20250271520
2025-08-28

SHORT-BORE MRI SYSTEM WITH NON-SPHERICAL FIELD OF VIEW

#2
20250249273
2025-08-07

Localizing, Imaging, and Heating Magnetic Nanoparticles Using Magnetic Nanoparticle Magnetization Controlled Through Electron Paramagnetic Resonance and Ferromagnetic Resonance

#3
20250093446
2025-03-20

METHODS AND APPARATUS FOR MOBILE MRI EMPLOYING A PERMANENT MAGNET

#4
20250028069
2025-01-23

Nuclear magnetic resonance sensing device calibration system and method

#5
20240241198
2024-07-18

MRI apparatus with improved thermal control system and method for operating said thermal control system

#6
20240237910
2024-07-18

SYSTEMS AND METHODS OF CORRECTING EFFECTS OF SECOND-ORDER CONCOMITANT FIELDS IN A MAGNETIC RESONANCE SYSTEM WITH A SECOND-ORDER CORRECTION COIL ASSEMBLY

#7
20230358834
2023-11-09

REDUCING AND CORRECTING MAGNETIC FIELD GRADIENT DEVIATIONS

#8
20230324485
2023-10-12

RADIO FREQUENCY FIELD EMISSION SYSTEM FOR MAGNETIC RESONANCE IMAGING

#9
20230324481
2023-10-12

ELECTROMAGNETIC SHIELDING FOR MAGNETIC RESONANCE IMAGING METHODS AND APPARATUS

#10
20220397620
2022-12-15

Magnetic field (B) artifact reduction throught active shimming

#11
20220334203
2022-10-20

Multiphoton magnetic resonance imaging

#12
20210356536
2021-11-18

Arrangement allowing the performance of both magnetic particle imaging and magnetic resonance imaging and a device comprising this arrangement

#13
20210239779
2021-08-05

High-resolution magnetic field fingerprinting of integrated circuit activity with a quantum diamond microscope

#14
20210165060
2021-06-03

LOW-FIELD MAGNETIC RESONANCE IMAGING METHODS AND APPARATUS

#15
20210109174
2021-04-15

Low-field diffusion weighted imaging

#16
20210003648
2021-01-07

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

#17
20200264251
2020-08-20

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#18
20200233049
2020-07-23

Low-field magnetic resonance imaging methods and apparatus

#19
20200150204
2020-05-14

Low-field magnetic resonance imaging methods and apparatus

#20
20200081084
2020-03-12

Low-field magnetic resonance imaging methods and apparatus

#21
20200072926
2020-03-05

Pre-polarisation magnet arrangement

#22
20200064427
2020-02-27

Low-field magnetic resonance imaging methods and apparatus

#23
20200049778
2020-02-13

Phase compensation circuit, magnetic induction imaging device and phase compensation method

#24
20200041588
2020-02-06

Low-field diffusion weighted imaging

#25
20190257903
2019-08-22

Low power magnetic resonance imaging methods and apparatus

#26
20190178963
2019-06-13

Low-field magnetic resonance imaging methods and apparatus

#27
20190178962
2019-06-13

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#28
20190154777
2019-05-23

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

#29
20190064301
2019-02-28

Method and system of frequency constrained gradient waveform production

#30
20190033403
2019-01-31

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

#31
20190018096
2019-01-17

Portable magnetic resonance imaging methods and apparatus

#32
20190011514
2019-01-10

Low-field magnetic resonance imaging methods and apparatus

#33
20190011513
2019-01-10

Low-field magnetic resonance imaging methods and apparatus

#34
20190004130
2019-01-03

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#35
20180284206
2018-10-04

Nuclear magnetic resonance apparatus

#36
20180238981
2018-08-23

Low-field magnetic resonance imaging methods and apparatus

#37
20180238980
2018-08-23

Low-field magnetic resonance imaging methods and apparatus

#38
20180210047
2018-07-26

Low power magnetic resonance imaging methods and apparatus

#39
20180180692
2018-06-28

Magnetic resonance fingerprinting dictionary generation using a supplementary magnetic field coil

#40
20180168527
2018-06-21

Portable magnetic resonance imaging methods and apparatus

#41
20180164390
2018-06-14

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#42
20180156881
2018-06-07

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

#43
20180143280
2018-05-24

Low-field magnetic resonance imaging methods and apparatus

#44
20180143274
2018-05-24

Low-field magnetic resonance imaging methods and apparatus

#45
20180136298
2018-05-17

Method of determining a gradient impulse response function during execution of a magnetic resonance imaging or spectroscopy sequence

#46
20180128889
2018-05-10

Magnetic resonance examination system with field probes

#47
20180074141
2018-03-15

Magnetic resonance tomography with slow temperature variation compensation

#48
20180067181
2018-03-08

MAGNETIC FIELD ADJUSTING METHOD, MAGNETIC FIELD ADJUSTING APPARATUS, AND MAGNETIC RESONANCE IMAGING APPARATUS

#49
20180031651
2018-02-01

Method and device for compensating for magnetic noise fields in spatial volumes, and nuclear magnetic resonance imaging apparatus

#50
20170325710
2017-11-16

Small form factor digitally tunable NMR in vivo biometric monitor for metabolic state of a sample

#51
20170254866
2017-09-07

Low-stray-field permanent magnet arrangement for MR apparatuses

#52
20170160357
2017-06-08

Method and apparatus for eddy current field compensation in magnetic resonance tomography

#53
20170102441
2017-04-13

Energy storage solution for an MRI system

#54
20170102439
2017-04-13

System and method for gradient measurement using single-point imaging

#55
20170069415
2017-03-09

Superconducting magnetic field stabilizer

#56
20170016968
2017-01-19

Systems and methods for low power magnetic field generation for atomic sensors using electro-permanent magnets

#57
20160334480
2016-11-17

Arrangement for modifying a main magnetic field and method for producing such an arrangement

#58
20160291102
2016-10-06

Coil assembly for accurate adjustment of magic angle in solid-state NMR apparatus and method of adjusting magic angle using such coil assembly

#59
20160196910
2016-07-07

Method and device for compensation of temporal magnetic field fluctuations in powered magnets

#60
20160103196
2016-04-14

Method and apparatus for magnetic resonance imaging

#61
20160091582
2016-03-31

MRI gradient trajectory mapping

#62
20160041249
2016-02-11

Method and magnetic resonance apparatus for generating at least one combination image dataset

#63
20160011288
2016-01-14

Active compensation for field distorting components in a magnetic resonance imaging system with a gantry

#64
20150042392
2015-02-12

Adjustable compensation ratio feedback system

#65
20150008919
2015-01-08

Magnetic resonance apparatus and method for operation thereof with an accelerated progression of a repeating pulse sequence with an optimized gradient curve

#66
20140354277
2014-12-04

Mobile magnetic resonance tomography

#67
20140235448
2014-08-21

Method and apparatus for compensating for drift in magnetic field strength in superconducting magnets

#68
20140232402
2014-08-21

Magnetic resonance imaging apparatus and operating method

#69
20140210476
2014-07-31

Magnetic resonance imaging device with vibration suppression

#70
20130187653
2013-07-25

Activation of field coils of a magnetic resonance system having eddy current compensation

#71
20130154648
2013-06-20

System and apparatus for compensating for magnetic field distortion in an MRI system

#72
20130147481
2013-06-13

Magnetic resonance imaging apparatus and vibrational error magnetic field reduction method

#73
20120176136
2012-07-12

Shimming device for superconducting magnet

#74
20110089943
2011-04-21

Magnetic field shimming adjustment: reducing magnetic distribution errors by obtaining current potential distributions of MRI apparatus

#75
20110037467
2011-02-17

Magnetic resonance imaging apparatus with temperature sensor for predicting static magnetic field inhomogeneity

#76
20100301977
2010-12-02

Superconducting magnet device

#77
20100277263
2010-11-04

Superconducting, actively shielded magnet

#78
20100271025
2010-10-28

Device for highly precise synchronization of the NMR transmission frequency to the resonance frequency of an NMR line while taking into consideration a non-constant RF phase

#79
20100253334
2010-10-07

Magnetic resonance system with cooling system and monitoring of helium pressure

#80
20100234723
2010-09-16

Magnetic resonance lmethod and apparatus with gated shimming of the basic magnetic field

#81
20100188083
2010-07-29

MAGNETIC RESONANCE IMAGING SYSTEM AND METHOD FOR STABILIZING THE TEMPERATURE OF THE MAIN MAGNET THEREIN

#82
20100045293
2010-02-25

Superconductive magnetic device, magnetic resonance imaging apparatus and magnetic field inhomogeneity compensation method

#83
20090206839
2009-08-20

SYSTEM, METHOD AND APPARATUS FOR COMPENSATING FOR DRIFT IN A MAIN MAGNETIC FIELD IN AN MRI SYSTEM

#84
20090201020
2009-08-13

Magnetic resonance apparatus utilizing time-varying rate of magnetic resonant frequency

#85
20090189611
2009-07-30

MAGNETIC RESONANCE IMAGING SYSTEM WITH REDUCED UNINTENTIONAL MECHANICAL MOVEMENTS

#86
20090128269
2009-05-21

Cooling system and apparatus for controlling drift of a main magnetic field in an MRI system

#87
20090123139
2009-05-14

System, method and apparatus for controlling drift of a main magnetic field in an MRI system

#88
20080204024
2008-08-28

Method of reducing eddy currents caused by a gradient magnetic field in a magnetic resonance system

#89
20080204015
2008-08-28

NMR system

#90
20080150534
2008-06-26

NMR spectrometer and method of NMR measurement

#91
20080027666
2008-01-31

Device and method for compensation of magnetic field disruptions in highly homogeneous magnetic fields

#92
20070216413
2007-09-20

Methods and apparatus for MRI shims

#93
20070131673
2007-06-14

Means and method of maintaining a constant temperature in the magnetic assembly of a magnetic resonance device

#94
20070024282
2007-02-01

Method of monitoring a magnetic field drift of a magnetic resonance imaging apparatus

#95
20060255802
2006-11-16

Magnetic resonance apparatus utilizing time-varying rate of magnetic resonant frequency

#96
20060164083
2006-07-27

Method of monitoring a magnetic field drift of a magnetic resonance imaging apparatus

#97
20060097723
2006-05-11

MRI apparatus

#98
20060076954
2006-04-13

Method for compensating for a magnetic field disturbance affecting a magnetic resonance device, and a magnetic resonance device

#99
20060038562
2006-02-23

Method and probe for compensating for magnetic noise fields in space volumes, particularly in magnetic resonance imaging apparatus

#100
20060017441
2006-01-26

Stabilizer for stabilizing NMR magnetic field and method of the same

#101
20050242808
2005-11-03

Method for magnetic field tracking in a NMR check weighing system

#102
20050174118
2005-08-11

Superconducting magnet system with drift compensation

#103
16934389
2021-12-21

Dynamic stabilization of magnetic fields