Patents-Review.com
ClassID:

173319 ⎘

G01V3/101 - CPC Classification

Classification description:

Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil

Sub-classes:
Recent Application in this class:
#1
20260061230
2026-03-05

FALL PROTECTION EQUIPMENT HAVING INDUCTIVE SENSOR FOR CONNECTION STATUS AND CONTROL

 #2
20250264628
2025-08-21

PROXIMITY SENSOR

 #3
20250264627
2025-08-21

PROXIMITY SENSOR

 #4
20250264626
2025-08-21

PROXIMITY SENSOR

 #5
20250236186
2025-07-24

DEVICE, SYSTEM AND METHOD FOR DETECTION OF A FOREIGN OBJECT

 #6
20250219459
2025-07-03

METHOD OF FOREIGN OBJECT DETECTING DURING WIRELESS POWER TRANSFER AND POWER TRANSMITTER IN WIRELESS CHARGING SYSTEM

 #7
20250088040
2025-03-13

OBJECT DETECTION FOR WIRELESS POWER TRANSFER

 #8
20250088033
2025-03-13

MAGNETIC COVER AND METHODS AND APPARATUS TO DETECT POSITIONING OF THE MAGNETIC COVER OVER A WIRELESS CHARGING TRANSMITTER

 #9
20250052922
2025-02-13

Circuit for Object Detection and Vehicle Position Determination

 #10
20240393491
2024-11-28

METHOD AND APPARATUS FOR AUTONOMOUS GRAVITY AND/OR MAGNETIC FIELD MEASUREMENT

 #11
20240342523
2024-10-17

Fall Protection Equipment Having Inductive Sensor for Connection Status and Control

 #12
20240077633
2024-03-07

Circuit for object detection and vehicle position determination

 #13
20230331103
2023-10-19

Device, system and method for detection of a foreign object

 #14
20230246489
2023-08-03

Foreign Object Detection Using Hybrid Inductive and Capacitive Sensing

 #15
20230218935
2023-07-13

Fall protection equipment having inductive sensor for connection status and control

 #16
20230182589
2023-06-15

Foreign object detection using heat sensitive material and inductive sensing

 #17
20230124614
2023-04-20

POWER TRANSMISSION APPARATUS, POWER RECEIVING APPARATUS, CONTROL METHODS THEREOF, AND STORAGE MEDIUM

 #18
20230003914
2023-01-05

Circuit for object detection and vehicle position determination

 #19
20220342107
2022-10-27

Metal detector

 #20
20220334287
2022-10-20

Detection coil structure based on interlayer coupling and metal object detection system

 #21
20220266075
2022-08-25

FALL-PROTECTION APPARATUS WITH MULTIMODAL INDUCTIVE SENSING

 #22
20220196872
2022-06-23

System and method for a security post

 #23
20220196871
2022-06-23

System and method for detecting objects

 #24
20220193846
2022-06-23

Handheld power tool, and working method using handheld power tool and working program

 #25
20220135226
2022-05-05

Operating a munitions system

 #26
20220085665
2022-03-17

Extended foreign object detection signal processing

 #27
20220085664
2022-03-17

Extended foreign object detection signal processing

 #28
20220057541
2022-02-24

Intelligent Tool Detection Systems And Methods

 #29
20210408837
2021-12-30

Object detection apparatus and method for wireless power transfer system

 #30
20210263009
2021-08-26

Magnetic chip detector and method of use

 #31
20210247540
2021-08-12

Presence detection sensor for a motor vehicle

 #32
20210194294
2021-06-24

Hybrid foreign-object detection and positioning system

 #33
20210138918
2021-05-13

Foreign object detection using heat sensitive material and inductive sensing

 #34
20210138917
2021-05-13

Device, system and method for detection of a foreign object

 #35
20210124078
2021-04-29

Circuit for object detection and vehicle position determination

 #36
20210123994
2021-04-29

SYSTEMS AND METHODS FOR SENSING EXTERNAL MAGNETIC FIELDS IN IMPLANTABLE MEDICAL DEVICES

 #37
20210072418
2021-03-11

Metal detector

 #38
20210072417
2021-03-11

Metal detector

 #39
20200400853
2020-12-24

Fluxgate detector for buried and abandoned chemical weapons

 #40
20200363555
2020-11-19

Method for compensating a magnetic locator, locator and computer program

 #41
20200343769
2020-10-29

Energy receiver, detection method, power transmission system, detection device, and energy transmitter

 #42
20200328625
2020-10-15

OBJECT DETECTION IN WIRELESS POWER TRANSFER SYSTEM

 #43
20200209042
2020-07-02

Method and apparatus for determining a fill level of a storage container

 #44
20200191988
2020-06-18

Shielded-loop-resonator based gradiometer probe

 #45
20200076246
2020-03-05

Metallic foreign object detector, wireless power transmitting device, wireless power receiving device, and wireless power transmission system

 #46
20200012008
2020-01-09

PARITY-TIME (PT)-SYMMETRIC WIRELESS TELEMETRIC SENSORS AND SYSTEMS

 #47
20190353816
2019-11-21

Foreign object detection using heat sensitive material and inductive sensing

 #48
20190341815
2019-11-07

Power receiving device, electric circuit, and power supply device

 #49
20190271791
2019-09-05

Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing

 #50
20190250298
2019-08-15

Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space

 #51
20190140489
2019-05-09

Q-factor detection method

 #52
20190115918
2019-04-18

Factor 1 inductive sensor device

 #53
20190113646
2019-04-18

Sensing circuit for metal object and method of sensing metal object

 #54
20190101602
2019-04-04

Magnetic field sensing apparatus

 #55
20190089206
2019-03-21

Hybrid foreign-object detection and positioning system

 #56
20190041538
2019-02-07

Utility locating transmitter apparatus and methods

 #57
20180375206
2018-12-27

Electric composite detection antenna

 #58
20180329102
2018-11-15

Vehicle detection loop and loop deterioration assessment

 #59
20180321417
2018-11-08

Rotating frequencies of transmitters

 #60
20180313970
2018-11-01

Foreign object detection for ferromagnetic wire-like objects

 #61
20180309327
2018-10-25

Detecting apparatus, power receiving apparatus, power transmitting apparatus, and contactless power supply system

 #62
20180198323
2018-07-12

Foreign object detection using heat sensitive material and inductive sensing

 #63
20180143341
2018-05-24

Vehicle detection loop and loop deterioration assessment

 #64
20180108474
2018-04-19

Detection apparatus, power supply system, and method of controlling detection apparatus

 #65
20180076671
2018-03-15

Dynamic mutual sensing foreign object detection loops

 #66
20180070578
2018-03-15

METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSFER TO ELECTRIC VEHICLE USING OBJECT DETECTION SENSOR

 #67
20180045762
2018-02-15

Current sensor including a first current sensor and a second current sensor unit

 #68
20170363763
2017-12-21

Foreign-object detecting device, wireless electric-power transmitting device, and wireless electric-power transmission system

 #69
20170343695
2017-11-30

Magneto-optical detecting apparatus and methods

 #70
20170322266
2017-11-09

Systems and methods for sensing external magnetic fields in implantable medical devices

 #71
20170302111
2017-10-19

Method for foreign object detection for an induction charging device and induction charging device

 #72
20170285207
2017-10-05

Rogue object detection algorithm for wireless charging notification

 #73
20170269251
2017-09-21

Power receiving device, electric circuit, and power supply device

 #74
20170235009
2017-08-17

Metal detector using coils with multiple detection zones to identify targets while moving

 #75
20170148567
2017-05-25

Methods and apparatus for collocating electromagnetic coils and electronic circuits

 #76
20170108559
2017-04-20

Magnetic field sensing apparatus

 #77
20170097439
2017-04-06

High frequency electromagnetic induction

 #78
20170097437
2017-04-06

Systems, methods, and apparatus for detecting metallic objects in a predetermined space via inductive kinematic sensing

 #79
20170059735
2017-03-02

Inductive sensing with differential inductance readout

 #80
20170054333
2017-02-23

FOREIGN-BODY DETECTION DEVICE AND POWER INDUCTIVE CHARGING DEVICE

 #81
20170047777
2017-02-16

Energy receiver, detection method, power transmission system, detection device, and energy transmitter

 #82
20160372980
2016-12-22

Object detection system and method for operating an object detection system

 #83
20160336814
2016-11-17

Detecting apparatus, power receiving apparatus, power transmitting apparatus, and contactless power supply system

 #84
20160336760
2016-11-17

Foreign object detecting device, wireless power transmitting apparatus, and wireless power transfer system

 #85
20160336759
2016-11-17

Foreign object detecting device, wireless power transmitting apparatus, and wireless power transfer system

 #86
20160238732
2016-08-18

Proximity sensor

 #87
20160238731
2016-08-18

Sense coil geometries with improved sensitivity for metallic object detection in a predetermined space

 #88
20160230511
2016-08-11

Method for determining triaxial conductivity with arbitrary orientation using multiaxial electromagnetic measurements

 #89
20160187520
2016-06-30

Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space

 #90
20160003961
2016-01-07

Utility locator apparatus, systems, and methods

 #91
20150355363
2015-12-10

Utility locating transmitter apparatus and methods

 #92
20150346380
2015-12-03

Object detection for a power transfer system

 #93
20150331135
2015-11-19

Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing

 #94
20150323695
2015-11-12

TRANSMITTING AND RECEIVING ANTENNA FOR A SEARCH ANTENNA POLARIZATION INSTRUMENT

 #95
20150311725
2015-10-29

Foreign-object detecting device, wireless electric-power transmitting device, and wireless electric-power transmission system

 #96
20150309203
2015-10-29

ELECTRONIC DRYWALL FASTENER LOCATER

 #97
20150301215
2015-10-22

Apparatus and methods to find a position in an underground formation

 #98
20150276965
2015-10-01

METAL FOREIGN OBJECT DETECTION SYSTEM FOR INDUCTIVE POWER TRANSMISSION SYSTEMS

 #99
20150212033
2015-07-30

Proximity sensor detecting metallic and non-metallic objects

 #100
20150168584
2015-06-18

Metal detector

 #101
20150028689
2015-01-29

Power receiving device, electric circuit, and power supply device

 #102
20150012216
2015-01-08

Apparatus and method for oil-based mud formation imaging using resonators

 #103
20140375310
2014-12-25

Apparatus and a method for metal detection involving a mobile terminal with a display

 #104
20140339908
2014-11-20

Detection apparatus, power supply system, and method of controlling detection apparatus

 #105
20140339907
2014-11-20

Detecting device, power supply system, and detecting device control method

 #106
20140339906
2014-11-20

Detecting device, power supply system, and detecting device control method

 #107
20140239955
2014-08-28

System for detecting a location of a subsurface channel

 #108
20140232408
2014-08-21

Constant Current Metal Detector with Driven Transmit Coil

 #109
20140194729
2014-07-10

Systems and methods for sensing external magnetic fields in implantable medical devices

 #110
20140125287
2014-05-08

Energy receiver, detection method, power transmission system, detection device, and energy transmitter

 #111
20140091787
2014-04-03

Method for detecting metal foreign object on contactless power supply device, contactless power supply device, contactless power reception device, and contactless power supply system

 #112
20130181718
2013-07-18

Buried object detector

 #113
20130119992
2013-05-16

Automatic Locator Antenna Tuning System

 #114
20120286807
2012-11-15

Electronic circuit and method for determining an impedance

 #115
20120212226
2012-08-23

Pre-amplifier and mixer circuitry for a locator antenna

 #116
20120092206
2012-04-19

Metal detector and ground-penetrating radar hybrid head and manufacturing method thereof

 #117
20120091993
2012-04-19

Electronic apparatus, power feeding method, and power feeding system

 #118
20120046707
2012-02-23

Systems and methods for sensing external magnetic fields in implantable medical devices

 #119
20120001493
2012-01-05

Wireless power transmission system with foreign-substance detection

 #120
20110128015
2011-06-02

Foreign object detection in inductive coupled devices

 #121
20100164512
2010-07-01

Process and device for differentiating objects influencing an electromagnetic alternating field, in particular metal objects

 #122
20100134102
2010-06-03

Apparatus and method for detecting metallic objects in shoes

 #123
20100019768
2010-01-28

APPARATUS AND METHOD FOR METAL DETECTING

 #124
20090201023
2009-08-13

Pre-amplifier and mixer circuitry for a locator antenna

 #125
20080111545
2008-05-15

Apparatus and method for detecting metallic objects in shoes

 #126
20080071168
2008-03-20

Systems and methods for sensing external magnetic fields in implantable medical devices

 #127
20080054905
2008-03-06

Metal detection methods and apparatus wherein a numeric representation of the sense signal and a noise contribution to the sense signal are produced

 #128
20070007953
2007-01-11

Apparatus and method for establishing the positions of metal objects in an input stream

 #129
20070001663
2007-01-04

Process and device for contactless measurement of rotational speed

 #130
20060290347
2006-12-28

Printed circuit card-based proximity sensor and associated method of detecting a proximity of an object

 #131
20060152213
2006-07-13

Apparatus for detecting the presence of electrically-conductive debris

 #132
20060113991
2006-06-01

Method of fabricating a multilayer wiring board proximity sensor

 #133
20060097732
2006-05-11

Position and electromagnetic field sensor

 #134
20060071632
2006-04-06

Inductive battery recharging system with peak voltage detection

 #135
20050162158
2005-07-28

Inductive proximity sensor, particularly for sensing presence of ferrous and non-ferrous materials

 #136
20050125192
2005-06-09

Method for configuring an operational characteristic of a proximity sensor

 #137
20050114052
2005-05-26

Method and apparatus for using eddy current transducers in magnetic fields

 #138
20050062484
2005-03-24

Method and apparatus for metal target proximity detection at long distances

 #139
18904269
2026-01-06

Casing collar locator

 #140
18141421
2023-11-28

Detecting underground utilities

 #141
15219131
2018-02-06

Vehicle detection loop and loop deterioration assessment

 #142
14718066
2017-06-20

Detection and detonation of improvised explosive device with magnetic fields

 #143
13169427
2015-12-08

Metal detector with motion sensing