ClassID:

172092

G01R33/3678 - CPC Classification

Classification description:

Arrangements or instruments for measuring magnetic variables involving magnetic resonance; Details of apparatus provided for in groups  - ; Excitation or detection systems, e.g. using radio frequency signals; Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field

Recent Application in this class:
#1
20240369654
2024-11-07

COIL, COIL ASSEMBLY AND METHOD

#2
20230320668
2023-10-12

RADIO FREQUENCY COIL METHODS AND APPARATUS

#3
20220206092
2022-06-30

Slotted waveguide array RF coil for magnetic resonance systems

#4
20220091295
2022-03-24

Method of imaging using azimuthally resolved NMR while drilling

#5
20220003888
2022-01-06

Distributed device and method for detecting groundwater based on nuclear magnetic resonance

#6
20210208221
2021-07-08

RADIO FREQUENCY RECEIVING DEVICE

#7
20210199736
2021-07-01

Method and system for in-vivo, and non-invasive measurement of metabolite levels

#8
20210196160
2021-07-01

Method and system for in-vivo, and non-invasive measurement of metabolite levels

#9
20210196143
2021-07-01

Method and system for in-vivo, and non-invasive measurement of metabolite levels

#10
20210059556
2021-03-04

Multi-channel magnetic resonance imaging RF coil

#11
20210041516
2021-02-11

Auto-tuning circuit apparatus and methods

#12
20200337644
2020-10-29

Radio frequency coil methods and apparatus

#13
20200319367
2020-10-08

Circular polarization correction in nuclear magnetic resonance (NMR) logging

#14
20200292648
2020-09-17

Method and device for controlling a magnetic resonance imaging system

#15
20200292647
2020-09-17

Slotted waveguide array RF coil for magnetic resonance systems

#16
20200292642
2020-09-17

Cylindrical-like single layer technology (SLT) magnetic resonance imaging (MRI) array coil with at least one row as a birdcage coil in transmit mode

#17
20190257898
2019-08-22

Magnetic resonance imaging (MRI) transmit (Tx)/ receive (Rx) coil using the same array coil

#18
20190257896
2019-08-22

Transmitting antenna for a magnetic resonance device

#19
20190178958
2019-06-13

Stationary magic angle spinning enhanced solid state spin sensor

#20
20190113586
2019-04-18

RF transmit system with selectable drive ports for magnetic resonance imaging apparatuses

#21
20190094318
2019-03-28

Magnetic resonance imaging apparatus and RF coil device

#22
20190086489
2019-03-21

Stand assembly for RF coil, RF coil assembly and magnetic resonance imaging system

#23
20190038233
2019-02-07

Radio frequency coil methods and apparatus

#24
20180246179
2018-08-30

Magnetic resonance volume coil with multiple independent transmit receive channels and method of operation thereof

#25
20180210045
2018-07-26

Radio frequency receiving device

#26
20180210044
2018-07-26

End ring port structure of an atypical radio-frequency coil of a magnetic resonance imaging system

#27
20180203083
2018-07-19

System and method for simultaneous radio frequency transmission and reception in magnetic resonance imaging

#28
20180074221
2018-03-15

Combined NMR-resistivity measurement apparatus, systems, and methods

#29
20180070852
2018-03-15

RF coil assembly with a head opening and isolation channel

#30
20180045803
2018-02-15

Apparatus and method for mapping and measurement of spatially and temporally distributed induced small phase deviations in magnetic resonance utilizing deconvolution

#31
20180003852
2018-01-04

Nuclear magnetic resonance apparatus, systems, and methods

#32
20170325710
2017-11-16

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

#33
20170315187
2017-11-02

Magnetic resonance imaging apparatus

#34
20170299671
2017-10-19

MRI birdcage coil with distributed excitation

#35
20170285216
2017-10-05

Nuclear magnetic resonance logging tool with quadrature coil configuration

#36
20170010378
2017-01-12

Downhole nuclear magnetic resonance sensor using anisotropic magnetic material

#37
20170003413
2017-01-05

Nuclear magnetic resonance apparatus, systems, and methods

#38
20160363641
2016-12-15

MRI coil for use during an interventional procedure

#39
20160334479
2016-11-17

Radio frequency coil methods and apparatus

#40
20160238678
2016-08-18

MR device with distribution network

#41
20150323622
2015-11-12

Parallel plate transmission line for broadband nuclear magnetic resonance imaging

#42
20150276900
2015-10-01

Transmitting Antenna Device and Magnetic Resonance Imaging System

#43
20150177346
2015-06-25

Non-invasive prostate coil for MR systems with vertical main field

#44
20150137809
2015-05-21

Apparatus and method for mapping and measurement of spatially and temporally distributed induced small phase deviations in magnetic resonance utilizing deconvolution

#45
20150061681
2015-03-05

Method and apparatus for local specific absorption rate reduction

#46
20150061665
2015-03-05

Azimuthally-selective downhole nuclear magnetic resonance (NMR) tool

#47
20150061664
2015-03-05

Downhole nuclear magnetic resonance (NMR) tool with transversal-dipole antenna configuration

#48
20150054506
2015-02-26

Magnetic resonance coil, device and system

#49
20150008918
2015-01-08

Method and magnetic resonance apparatus to acquire magnetic resonance data of a target region including a metal object

#50
20140327442
2014-11-06

Debugging device for a body coil of a magnetic resonance imaging system

#51
20140312901
2014-10-23

Miniature NMR drill cutting analyzer and methods of use

#52
20140218035
2014-08-07

Magnetic resonance imaging apparatus and RF coil device

#53
20140055140
2014-02-27

Magnetic resonance imaging apparatus

#54
20130314091
2013-11-28

RF coil and magnetic resonance imaging device

#55
20130300415
2013-11-14

Multi-channel transmit MR imaging

#56
20130154635
2013-06-20

Integrated NMR transceiver array

#57
20130147484
2013-06-13

Method and apparatus for characterizing and optimizing an RF coil in a magnetic resonance imaging system

#58
20130119991
2013-05-16

High-frequency coil and magnetic resonance imaging device employing same

#59
20130106416
2013-05-02

Router and coil array for ultra high field MRI

#60
20120306497
2012-12-06

RF reception coil and magnetic resonance imaging apparatus using same

#61
20120293174
2012-11-22

Method and apparatus for imaging a subject using local surface coils

#62
20120262173
2012-10-18

High-frequency coil unit and magnetic resonance imaging device

#63
20120172704
2012-07-05

Open architecture imaging apparatus and coil system for magnetic resonance imaging

#64
20120161769
2012-06-28

RF coil array for cardiac and thoracic magnetic resonance imaging

#65
20120105166
2012-05-03

Generator of a modulated radiofrequency signal, method for calibrating the generator, and magnetic resonance imaging system

#66
20110215807
2011-09-08

Quadrature endorectal coils and interface devices therefor

#67
20110156705
2011-06-30

Quadrature and linear RF coil array for MRI of human spine and torso

#68
20110121833
2011-05-26

Focus coil array and interface devices therefor

#69
20110121829
2011-05-26

Magnetic resonance imaging apparatus

#70
20110037468
2011-02-17

Optimized MRI strip array detectors and apparatus, systems and methods related thereto

#71
20110026801
2011-02-03

Magnetic resonance imaging apparatus, receiving coil and method of manufacturing the coil

#72
20100249572
2010-09-30

MRI involving forwardly and reversely polarised RF excitation

#73
20100207632
2010-08-19

RECEIVER FOR MAGNETIC RESONANCE SIGNALS AND METHOD FOR RECEIVING THE MAGNETIC RESONANCE SIGNALS

#74
20100136929
2010-06-03

METHOD AND MULTI-CHANNEL RF TRANSMITTER ARRANGEMENT FOR GENERATING RF FIELDS

#75
20100026303
2010-02-04

Doubly resonant high field radio frequency surface coils for magnetic resonance

#76
20100019767
2010-01-28

RF COIL ASSEMBLY FOR A MAGNETIC RESONANCE IMAGING SYSTEM

#77
20100019764
2010-01-28

Uniform magnetic field spherical coil for MRI

#78
20090322334
2009-12-31

Knee coil for magnetic resonance imaging

#79
20090309594
2009-12-17

Magnetic resonance imaging method and apparatus using a circularly polarized RF resonator detecting right and left circularly polarized components of MR signals

#80
20090256569
2009-10-15

Multi-frequency RF coil

#81
20090201019
2009-08-13

MR involving high speed coil mode switching between I-channel linear, Q-channel linear, quadrature and anti-quadrature modes

#82
20090192382
2009-07-30

Magnetic resonance whole body antenna system, elliptically polarized with major ellipse axis tilted/non-horizontal at least when unoccupied by an examination subject

#83
20090189609
2009-07-30

Apparatus for controlling an MRI antenna arrangement with elliptical polarization and equal amplitude signals at feed points

#84
20090184712
2009-07-23

System and method for active MR tracking

#85
20090096553
2009-04-16

HF antenna system for magnetic resonance measurements

#86
20090021256
2009-01-22

High frequency coil and magnetic resonance imaging apparatus

#87
20090015256
2009-01-15

Optimized MRI strip array detectors and apparatus, systems and methods related thereto

#88
20080297155
2008-12-04

Arrangement to control antenna elements

#89
20080231281
2008-09-25

RF coil assembly and method for practicing magnetization transfer on magnetic resonance imaging and spectroscopy systems

#90
20080129292
2008-06-05

RF coil system for super high field (SHF) MRI

#91
20080111549
2008-05-15

RF coil for MRI apparatus, method of using RF coil for MRI apparatus, and MRI apparatus

#92
20080061785
2008-03-13

RF coil and MRI system

#93
20080024133
2008-01-31

Cavity resonator for magnetic resonance systems

#94
20070285096
2007-12-13

Double-tuned RF coil

#95
20070279061
2007-12-06

RF coil assembly for magnetic resonance imaging and spectroscopy systems

#96
20070139045
2007-06-21

Magnetic resonance imaging apparatus and high-frequency coil unit used in the same

#97
20070016003
2007-01-18

Open architecture imaging apparatus and coil system for magnetic resonance imaging

#98
20060255804
2006-11-16

THREE CONCENTRIC COIL ARRAY

#99
20060255803
2006-11-16

System and apparatus for a high resolution peripheral vascular coil array

#100
20060250125
2006-11-09

Dual-tuned microstrip resonator volume coil

#101
20060244453
2006-11-02

Double-balanced double-tuned CP birdcage with similar field profiles

#102
20060244448
2006-11-02

High-pass two-dimensional ladder network resonator

#103
20060226840
2006-10-12

Phased array coils utilizing selectable quadrature combination

#104
20060181279
2006-08-17

RF coil and magnetic resonance imaging apparatus

#105
20060173284
2006-08-03

Radiofrequency coil and catheter for surface nmr imaging and spectroscopy

#106
20050264292
2005-12-01

RF coil and magnetic resonance imaging apparatus

#107
20050253581
2005-11-17

Open half volume quadrature transverse electromagnetic coil for high field magnetic resonance imaging

#108
20050225326
2005-10-13

Signal receiving method and device for a magnetic resonance imaging system

#109
20050162168
2005-07-28

Multi-modal RF coil for magnetic resonance imaging

#110
20050122113
2005-06-09

RF coil and magnetic resonance imaging apparatus

#111
20050043612
2005-02-24

Multipurpose connection/reception device for nuclear magnetic resonance imager

#112
18135002
2024-10-01

Buried utility locator auto-tuning apparatus and methods

#113
17540231
2023-04-25

Auto-tuning circuit apparatus and methods

#114
12152139
2016-07-12

Magnetic resonance imaging of the spine to detect scoliosis